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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
(Mark One)
ýANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended October 31, 20172021
OR
¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                      to                     
Commission File Number 0-19807
snps-20211031_g1.jpg
SYNOPSYS, INC.
(Exact name of registrant as specified in its charter)
Delaware56-1546236
(State or other jurisdiction of

incorporation or organization)
(I.R.S. Employer

Identification No.)
690 East Middlefield Road,Mountain View,California94043
(Address of principal executive offices)(Zip Code)
690 East Middlefield Road, Mountain View, California 94043
(Address of principal executive offices, including zip code)
(650) 584-5000
(Registrant’s telephone number, including area code)
Securities Registered Pursuant to Section 12(b) of the Act:
Title of Each ClassTrading Symbol(s)Name of Each Exchange on Which Registered
Common Stock (par value of $0.01 par valueper share)SNPSNASDAQNasdaq Global Select Market
Securities Registered Pursuant to Section 12(g) of the Act: None
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  ý    No  ¨
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ¨    No  ý
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ý    No  ¨
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ý    No  ¨
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§ 229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  ý
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act. (Check one):


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Large accelerated filerx
ý
Accelerated filer  ¨Filer
Non-accelerated filer  ¨
Smaller Reporting Company  ¨
Non-accelerated filer(Do not check if a smallerSmaller reporting company)company
Emerging growth company¨


If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨
Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its
internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting
firm that prepared or issued its audit report.
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ¨   No  ý
The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold as of the last business day of the registrant’s most recently completed second fiscal quarter was approximately $8.0$27.5 billion. Aggregate market value excludes an aggregate of approximately 41.441.3 million shares of common stock held by the registrant’s executive officers and directors and by each person known by the registrant to own 5% or more of the outstanding common stock on such date. Exclusion of shares held by any of these persons should not be construed to indicate that such person possesses the power, direct or indirect, to direct or cause the direction of the management or policies of the registrant, or that such person is controlled by or under common control with the registrant.
On December 11, 2017, 148,713,6628, 2021, 153,438,336 shares of the registrant’s Common Stock, $0.01 par value of $0.01 per share, were outstanding.
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s Proxy Statement relating to the registrant’s 20182022 Annual Meeting of Stockholders, scheduled to be held on April 5, 2018,12, 2022, are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Except as expressly incorporated by reference, the registrant’s Proxy Statement shall not be deemed to be part of this report.





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SYNOPSYS, INC.
ANNUAL REPORT ON FORM 10-K
Fiscal year ended October 31, 20172021
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Cautionary Note Regarding Forward-Looking Statements


This Annual Report on Form 10-K (this Form 10-K or Annual Report) contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the Securities Act), Section 21E of the Securities Exchange Act of 1934, as amended (the Exchange Act), and the Private Securities Litigation Reform Act of 1995. Any statements herein that are not statements of historical fact are forward-looking statements. Words such as “may,” “will,” “could,” “would,” “can,” “should,” “anticipate,” “expect,” “intend,” “believe,” “estimate,” “project,” “continue,” “forecast,” “likely,” “potential,” “seek,” or the negatives of such terms and similar expressions are intended to identify forward-looking statements. This Form 10-K includes, among others, forward-looking statements regarding:
our business, product and platform strategies;
our business outlook;
the continued impact and duration of the COVID-19 pandemic;
the impact of macroeconomic conditions, supply shortages, and trade disruptions on our business and our customers’ businesses;
demand for our products and our customers’ products;
the expected realization of our contracted but unsatisfied or partially unsatisfied performance obligations;
our ability to successfully compete in the markets in which we serve;
our license mix, our business model, and variability in our revenue;
the continuation of current industry trends towards customer and vendor consolidation, and the impact of such consolidation;
prior and future acquisitions, including the expected benefits and risks of completed acquisitions;
the impact of macroeconomic conditions on our business and our customers’ businesses;
demand for our products and our customers’ products;
the expected realization of our backlog;
customer license renewals;
the completion of development of our unfinished products, or further development or integration of our existing products;
technological trends in integrated circuit design;
our ability to successfully compete in the markets in which we serve;litigation;
our license mix, our business model, and variability in our revenue;
litigation;
our ability to protect our intellectual property;
our ability to attract and retain senior management and key employees;
the impact of tax laws and changes in such laws on our business;
the impact of new and recently adopted accounting pronouncements;
regulatory changes in the United States and other regions in which we operate;
our cash, cash equivalents and cash generated from operations; and
our available-for-sale securities; and
our future liquidity requirements.
These statements are based on our current expectations about future events and involve certain known and unknown risks, uncertainties and other factors that could cause our actual results, time frames or achievements to differ materially from those expressed or implied in our forward-looking statements. Accordingly, we caution readers not to place undue reliance on these statements. Such risks and uncertainties include, among others, those listed in Part I, Item 1A, Risk Factors of this Form 10-K. The information included herein represents our estimates and assumptions as of the date of this filing. Unless required by law, we undertake no obligation to update publicly any forward-looking statements, or to update the reasons actual results could differ materially from those anticipated in these forward-looking statements, even if new information becomes available in the future. All subsequent written or oral forward-looking statements attributable to Synopsys, Inc. or persons acting on our behalf are expressly
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qualified in their entirety by these cautionary statements. Readers are urged to carefully review and consider the various disclosures made in this report and in other documents we file from time to time with the Securities and Exchange Commission (SEC) that attempt to advise interested parties of the risks and factors that may affect our business.

Fiscal Year End
Our fiscal year ends on the Saturday nearest to October 31 and consists of 52 weeks, with the exception that approximately every five years, we have a 53-week year. When a 53-week year occurs, we include the additional week in the first quarter to realign fiscal quarters with calendar quarters. Fiscal 2017, 2016,2021, 2020 and 20152019 were 52-week years endingand ended on October 28, 2017, October 29, 2016, and30, 2021, October 31, 2015,2020, November 2, 2019, respectively. Fiscal 20182022 will be a 53-week52-week year.
For presentation purposes, this Form 10-K refers to the closest calendar month end.

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PART I


 Item 1.     Business
Company and Segment Overview


Synopsys, Inc. provides software, intellectual property,products and services used by designers across the entire siliconSilicon to
software Software spectrum fromto bring Smart Everything to life. From engineers creating advanced semiconductors to product teams developing advanced electronic systems to software developers seeking to ensure
the qualitysecurity and securityquality of their applications. code, our customers trust that our technologies will enable them to meet new requirements for low power as well as reliability, mobility, and security.

We are a global leader in supplying the electronic design automation
(EDA) software that engineers use to design and test integrated circuits (ICs), also known as chips. We also offer semiconductor intellectual property (IP) products, which are pre-designed circuits that engineers use as components of larger chip designs rather than designdesigning those circuits themselves. We provide software and hardware used to developvalidate the electronic systems that incorporate chips and the software that runs on them. To complement these offerings, we provide technical services and support to help our customers develop advanced chips and electronic systems. These products and services are part of our Semiconductor & System Design segment.
We are also a leading provider of software tools and services that are used to improve the security, quality and qualitycompliance of software code in a wide variety of industries, including electronics, financial services, media, automotive, medicine, energy and industrials. These tools and services are part of our Software Integrity segment.
Corporate Information


We incorporated in 1986 in North Carolina and reincorporated in 1987 in Delaware. Our headquarters are located at 690 East Middlefield Road, Mountain View, California 94043, and our headquarters’ telephone number is (650) 584-5000. We have approximately 112125 offices worldwide.


Our annual and quarterly reports on Forms 10-K and 10-Q (including related filings in XBRL format), current reports on Form 8-K, and Proxy Statements relating to our annual meetings of stockholders (including any amendments to these reports, as well as filings made by our executive officers and directors) are available through the Investor Relations page of our website (www.synopsys.com) free of charge as soon as practicable after we file them with, or furnish them to, the SEC (www.sec.gov). We use our Investor Relations page as a routine channel for distribution of important information, including news releases, analystinvestor presentations, and financial information. The contents of our website are not part of this Form 10-K.
Background


Recent yearsIn this era of Smart Everything, we have seen a remarkable proliferation of consumer and wireless electronic products, particularly mobile devices. The growth of the Internet and cloud computing has provided people with new ways to create, store, and share information. At the same time, the increasing use of electronics in cars, buildings, appliances, and other consumer products is creating a connected landscape of “smart”smart devices. Numerous software applications (apps) have been developed to expand the potential of these connected devices. The increasing impact of artificial intelligence and machine learning is driving an increase in the activity of new and existing chip and system design companies around the world.


These developments have been fueled by innovation in the semiconductor and software industries. It is now common for a single chip to combine many components (processor, communications, memory, custom logic, input/output) and embedded software into a single system-on-chip (SoC), necessitating highly complex chip designs. The most complex chips today contain more than a billion transistors. Transistors are the basic building blocks for ICs, each of which may have features that are less than 1/1,000th the diameter of a human hair.

These devices are manufactured using masks to direct beams of light onto a wafer of silicon. At such small dimensions, the wavelength of light itself can become an obstacle to production, proving too big to create such dense features and requiring creative and complicated new approaches from designers.approaches. Designers have turned to new manufacturing techniques to solve these problems, such as multiple-patterning lithography and FinFET, or 3D transistors, which in turn have introduced new challenges to design and production.

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The popularity of mobile devices and other electronic products has increased demand for chips and systems with greater functionality and performance, reduced size, and lower power consumption. Our customers, are the designers of thesewho design those products, and are facing intense pressure to deliver innovative productsofferings in shorter timeframes and at lower prices. In other words, innovation in chip and system design often hinges on providing products “better,” “sooner,” and “cheaper” than competitors. The designsdesign of these chips and systems areis extremely complex and necessitatenecessitates state-of-the-art design solutions. Over the past several years, market verticals including AI, 5G, automotive and cloud computing infrastructure have contributed to the ongoing demand for our products and services.


A similar dynamic is at work in the software arena, wherewhether the software is embedded on a chip or used in other applications. The pace of innovation often requires developers—also our customers—developers to deliver more secure, high-quality software, which can include millions of lines of code, in

increasingly frequent release cycles. Bugs, defects, and security vulnerabilities in code can be difficult to detect and expensive to fix. But, at a time when software is prevalentcritical in many industries across a growing array of smart devices, it is crucial to have high-quality, secure code to ensure consumers’ privacy and safety.
Our Role—TheAs the Silicon to Software Partner


Synopsys' products and services enable innovators across a variety of markets—from mobile electronics and financeSilicon to media, medical, energy, industrial, and automotive—to develop smart and secure products and applications. Across all industries, our customers face tremendous pressure to build differentiated chips and develop robust code more quickly and cost-effectively than ever before. With the increasing amount of embedded software in today’s devices, security and quality are top concerns. SynopsysSoftware technologies and services are designed to help our customersboth hardware designerschip and system engineers and software developersto speed time to market, achieve the highest quality of results, mitigate risk, and maximize profitability. Our offerings span from silicon to software.


The task of the chipChip and system designer is todesigners must determine how best to design, locate, and connect the building blocks of chips, and to verify that the resulting design behaves as intended and can be manufactured efficiently and cost-effectively. This task is a complex, multi-step process that is both expensive and time-consuming. We offer aOur wide range of products that help designers at different steps in the overall design process, both forfrom the design of individual ICs and forto the design of larger systems. Our products can increase designer productivity and efficiency by automating tasks, keeping track of large amounts of design data, adding intelligence to the design process, facilitating reuse of past designs, and reducing errors. Our IP products offer proven, high-quality pre-configured circuits that are ready-to-useready to use in a chip design, saving customers time and enabling them to direct resources to features that differentiate their products. Our global service and support engineers also provide expert technical support and design assistance to our customers.


The task of the software developer is to writeSoftware developers are responsible for writing code that not only accomplishes the developer's goalits goals as efficiently as possible, but also runs securely and is free of defects. We offer products that can help developers write higher quality, more secure code by analyzing their code for quality defects and known security vulnerabilities, adding intelligence and automation to the software testing process, and helping to eliminate defects in a systematic manner. To the extent thatAs developers make use of open source software in their code, our products can help developers better manage the composition and security of the code. Our products enable software developers to catch flaws earlier in the development cycle, when they are less costly to fix.
Products and Services
Revenue from our productsSemiconductor & System Design Segment

Our Semiconductor & System Design segment includes the EDA, IP and services is categorized into four groups:System Integration and Other revenue categories.
Core EDA, which includes digital, custom and Field Programmable Gate Array (FPGA) IC design software, and our verification products;
IP, Systems and Software Integrity, which includes our DesignWare® IP portfolio, system-level products, and software security and quality testing solutions;
Manufacturing Solutions; and
Professional Services and Other.EDA
Core EDA

The process of designingDesigning ICs containsinvolves many complex steps: architecture definition, register transfer level (RTL) design, functional/RTL verification, logic design or synthesis, gate-level verification, floorplanning, and place and route, and physical verification, to name just a few. Designers use our Core EDA products to automate the IC design process, reduce errors, and enable more powerful and robust designs.

As the availability and amount of cloud-based data storage grows, also growing in EDA is customer interest in accessing EDA on the cloud, and the scalability and flexibility that cloud computing can offer to reduce errors. We offercustomer flows and engineering teams. This customer shift in interest has started and continues to grow. While many of our solutions have been used in cloud-based environments for years, such as in a platform that featurescustomer’s own server and/or cloud environment, we have been working directly with customers and commercial cloud vendors, including Amazon Web
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Services, Microsoft Azure, Google Cloud and Alibaba Cloud, to further enhance our EDA-on-cloud products and platforms.

Our platforms comprehensively address the process, featuring a large number of Core EDA products intended to address the process comprehensively. Our Core EDA productsthat generally fall into the following categories:
Digital, and custom IC design and FPGA ICfield programmable gate array (FPGA) design, which includes software tools to design an IC; and
Verification, which includes technology to verify that an IC design behaves as intended.intended; and
Manufacturing, which includes products that both enable early manufacturing process development and convert IC design layouts into the masks used to manufacture the chips.
Digital and Custom IC Design


Our Galaxy™Fusion Design PlatformPlatform™ provides customers with a comprehensive digital design implementation solution that includes industry-leading products and incorporates common librariesredefines conventional design tool boundaries to deliver a more integrated flow than ever before, with better quality and consistent timing, delay calculation, UPF

power intent descriptions, and constraints throughout the design process.time to results. The platform gives designers the flexibility to integrate internally developed and third-party tools.tools as well as those from third parties. With innovative technologies, a common foundation, and flexibility, our GalaxyFusion Design Platform helps reduce design times, decrease uncertainties in the design steps, and minimize the risks inherent in advanced, complex IC design. Our products span digital, custom, and analog/mixed-signal designs, and supportThe platform supports multiple technology nodes, including 16/14nm,advanced nodes at 12nm, 10nm, 7/8nm,8/7nm, 6 nm, 5/4nm, and many others.3nm, with technology collaborations on next-generation process technologies.


Key design products, available as part of the GalaxyFusion Design Platform, or as individual point tools, are ourinclude Fusion Compiler™ RTL to GDSII design implementation, Design Compiler® logic synthesis, IC Compiler™ II physical design, solution, Design CompilerSynopsys TestMAXTM test and diagnosis, PrimeTime® logic synthesis product, Custom Compiler™ full custom design solution, PrimeTime® static timing analysis, products, StarRC™ tool forparasitic extraction, IC Validator physical verification and 3DIC Compiler, the industry’s first next-generation chip packaging solution, aimed at enabling customers to combine or stack multiple dice on a single chip. Many of our EDA solutions are bolstered by AI and machine learning capabilities. In addition, we offer DSO.ai™, which brings AI to the entire design process. It autonomously learns through quickly exploring potential design alternatives, enabling engineers to develop superior design outcomes with+
our design tools.

Our Custom Design Platform™ is a unified suite of design and verification tools that accelerates the transistor-level design of robust analog, mixed-signal, and custom-digital ICs. The platform features visually assisted layout automation, high-performance circuit simulation, reliability-aware verification, and natively integrated StarRC™ extraction and physical verification. Platform tools include Custom Compiler layout and schematic editor, StarRC parasitic extraction, and IC Validator toolphysical verification. The platform also includes PrimeSim™ Continuum. Launched in 2021, the PrimeSim Continuum solution integrates PrimeSim SPICE, PrimeSim HSPICE, PrimeSim Pro and PrimeSim XA. The PrimeWave™ design environment is also included and provides comprehensive analysis and improved productivity and ease of use across all tools in PrimeSim Continuum.

Our Silicon Lifecycle Management Platform is a new data analytics-driven platform that uses in-chip monitoring and sensing to optimize all phases of the silicon lifecycle—from design and manufacturing to in-field deployment and maintenance. The platform is integrated with the Fusion Design Platform for physical verification.design calibration and analytics and includes Yield Explorer® for product ramp analytics, SiliconDash for test and production analytics, TestMAX ALE (adaptive learning engine) for intelligent data extraction and communication to the SLM database and DesignWare PVT IP for in-chip monitoring and sensing.
FPGA Design


FPGAs are complex chips that can be customized or programmed to perform a specific function after they are manufactured. For FPGA design, we offer Synplify® (Pro® and Premier) implementation and Identify® debug software tools.
Verification


Our Verification Continuum™Continuum® platform is built from our industry-leading and fastest verification technologies, providing virtual prototyping, static and formal verification, simulation, emulation, FPGA-based prototyping, and debug in a unified environment with verification IP, and planning, and coverage technology. By providing a consistent model
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compile, runtime and debug environmentenvironments across the flow of verification tasks and by enabling seamless transitions between simulation, emulation, and prototyping,across functions, the platform helps our customers accelerate hardwarechip verification, bring up software earlier, and get to market sooner with advanced SoCs.


The individual products included in the Verification Continuum platform are reported in our Core EDA and IP Systems & Software Integrityand System Integration revenue categories. The solutions reported in our Core EDA revenue include the following:
SpyGlass® family of static verification technologies including lint, CDC (clock domain crossing), RDC (reset domain crossing), DFT (design for test), and low-power analysis and verification;
VCS® functional verification solution, our comprehensive RTL and gate-level simulation technology, including Fine-Grained Parallelism (FGP);
Verdi® debug technology, the industry’s most compressive SoC debug;
VC Formal,SpyGlass™ family of static verification technologies including lint, CDC (clock domain crossing), RDC (reset domain crossing), Constraint Checking, Synopsys TestMAX Advisor, and low-power analysis and verification;
VCS® functional verification solution, our comprehensive RTL and gate-level simulation technology, including Fine-Grained Parallelism;
Verdi® automated debug system, the industry’s most comprehensive SoC debug;
VC Formal™, our next-generation formal verification product;
Verdi Coverage, ourZeBu® emulation systems, which use high-performance hardware to emulate SoC designs so that designers can accelerate hardware, software and power verification planningof large complex SoCs and coverage technology;perform earlier verification and optimization of the SoC together with software; and
ZeBu® emulation systems, which use high-performance hardware to emulate SoC designs so that designers can accelerate verification of large complex SoCs and perform earlier verification of the SoC together with software; and
Other principal individual verification solutions, including CustomSim™ FastSPICE and FineSim® SPICE/FastSPICE circuit simulation and analysis products, HSPICE® circuit simulator, and CustomExplorer™ Ultra mixed-signal regression and analysis environment.

Other principal individual verification solutions, including the PrimeSim Continuum solution and the PrimeWave™ design environment.

The verification IP, virtual prototyping, and FPGA-based prototyping solutions that are part of our Verification Continuum platform are included in our IP Systems & Software Integrityand System Integration category and further described below.
Manufacturing

Our Manufacturing Solutions include Sentaurus™ technology computer-aided design device and process simulation products, Proteus™ mask synthesis tools, CATS® mask data preparation software, Yield Explorer® Odyssey, Yield-Manager® yield management solutions and QuantumATK atomic-scale modeling software.

We also provide consulting and design services that address all phases of the SoC development process, as well as a broad range of expert training and workshops on our latest tools and methodologies.
IP Systems and Software IntegritySystem Integration
IP Products


As more functionality converges into a single device or even a single chip, and as chip designs grow more complex, the number of third-party IP blocks incorporated into designs is rapidly increasing. We are a leading providerprovide the broadest, most comprehensive portfolio of high-quality, silicon-proven IP solutions for SoCs. Our broad DesignWare IP portfolio includes:

High-quality solutions for widely used wired and wireless interfaces such as USB, PCI Express, DDR, Ethernet, SATA, MIPI, HDMI, and Bluetooth Low Energy;
Logic libraries and embedded memories, including memory compilers, non-volatile memory, standard cells, and integrated test and repair;
Processor solutions, including configurable ARC® processor cores, software, Embedded Vision processor cores and application-specific instruction-set processor (ASIP) tools for embedded applications;
Processor solutions, including configurable ARC® processor cores, software, Embedded Vision processor cores and application-specific instruction-set processor tools for embedded applications;
IP subsystems for audio, sensor, and data fusion functionality that combine IP blocks, an efficient processor, and software into an integrated, pre-verified subsystem;
Security IP solutions, including cryptographic cores and software, security subsystems, platform security and content protection IP;
An industry-leading offering of IP for the automotive market, optimized for strict functional safety and reliability standards such as ISO 26262;
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Analog IP including data converters and audio codecs; and
SoC infrastructure IP, datapath and building block IP, mathematical and floating point components, ARM® AMBA® interconnect fabric and peripherals, and verification IP.

SoC infrastructure IP, datapath and building block IP, mathematical and floating-point components, Arm® AMBA® interconnect fabric and peripherals, and verification IP.

Our IP Accelerated initiative augments our established, broad portfolio of silicon-proven DesignWare IP with IP Prototyping Kits and customized IP subsystems to accelerate prototyping, software development, and integration of IP into SoCs.


We also offer a broad portfolio of IP that has been optimized to address specific application requirements for the mobile, automotive, digital home, internet of things, and cloud computing markets, enabling designers to quickly develop SoCs in these areas.


Our Verification IP portfolio, part of our Verification Continuum platform, is also part of the IP Products category.
System-LevelSystem Integration Solutions


Our System-LevelSystem Integration verification solutions include the following elements of our Verification Continuum platform:
HAPS® FPGA-based prototyping systems, which provide design and verification teams an integrated and scalable hardware-software solution for early software development and to improve their SoC schedules;
HAPS® FPGA-based prototyping systems, which are integrated and scalable hardware-software solutions for early software development and faster time to market;
Virtualizer™ virtual prototyping solutions,solution, which addresses the increasing development challenges associated with software-rich semiconductor and electronic products by accelerating both the development and deployment of virtual prototypes; and
Platform Architect solution, which provides architects and system designers with tools and efficient methods for early analysis and optimization of multi-core SoC architectures for performance and power.


We also provide a series of tools used in the design of optical systems and photonic devices. Our CODE V® solution enables engineers to model, analyze and optimize designs for optical imaging and communication systems. Our LightTools® design and analysis software allows designers to simulate and improve the performance of a broad range of illumination systems, from vehicle lighting to projector systems.

Other

Our Other revenue category includes revenue from sales of products to academic and research institutions.

Software Integrity SolutionsSegment


Our Software Integrity platform is a comprehensive solution for building integrity—securitysegment helps organizations align people, processes, and quality—into our customers’technology to intelligently address software development lifecyclerisks across their portfolio and supply chain. Theseat all stages of the application lifecycle. The testing tools, services, and programs enable our customers to manage open source license compliance and detect, prioritize, and remediate security vulnerabilities and defects across their entire software development lifecycle. Our offerings include security and quality testing products, managed services, programs and professional services, and training.training offered as on-premises and cloud-based delivery.


The Polaris Software Integrity PlatformTM is designed to bring our products and services together into an integrated, easy-to-use solution that enables security and development teams to build secure, high-quality software faster.

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Key offerings in the security testingthis space include:
    

Intelligent Orchestration solution, which enables DevOps to build a testing pipeline that enables a company to define – within its particular policy guidelines – the rules to determine which tests to run, including the Synopsys portfolio tests, third party products, or open source tests;

SecureAssistCode Dx, which correlates and prioritizes findings from the Synopsys portfolio, third party products, and open source tools, providing a comprehensive view of software security risk;

Coverity® static analysis tools, which analyze software code to find crash-causing bugs, incorrect program behavior, the latest security vulnerabilities, memory leaks and other performance-degrading flaws;


Black Duck™ software composition analysis tools, which scan binary and source code for license and compliance issues and other known security vulnerabilities stemming from incorporated third-party and open source code;

Seeker® IAST tool, which identifies exploitable security vulnerabilities while web applications are running, thereby verifying results and eliminating false positives; and

Defensics® fuzz testing tools, which examine security vulnerabilities in software binaries and libraries, particularly network protocols and file formats, by systematically sending invalid or unexpected inputs to the system under test;test.

Protecode™ software composition analysis tools, which scan binary and source code for license issues and other known security vulnerabilities stemming from incorporated third-party and open source code; and

Seeker® IAST tool, which identifies exploitable security vulnerabilities while web applications are running, thereby verifying results and eliminating false positives.


Managed Servicesservices allow developers to test code across many dimensions, and to rapidly respond to changing testing requirements and evolving threats. This includes Mobile ASTApplication Security Testing services to find vulnerabilities in mobile applications as well as DASTDynamic Application Security Testing services which identify security vulnerabilities while web applications are running, without the need for source code.


Programs and Professional Servicesprofessional services address unique security and quality needs with specialized consulting by skilled experts, including the Building Security in Maturity Mode, (BSIMM), which measures the effectiveness of software security initiatives by assessing the current state as compared to industry benchmarks.benchmarks, and the Black Duck™ on demand audit services, which provides open source compliance and software vulnerability assessments as part of the due diligence process for mergers and acquisitions.


Finally, training includes eLearning and instructor-led training that prepares developers and security professionals to build security and quality into their software development process and remediate found vulnerabilities and defects.
Manufacturing Solutions

Our Manufacturing Solutions software products and technologies enable semiconductor manufacturers to more quickly develop new fabrication processes that produce production-level yields. These products are used in the early research and development phase, as well as in the production phase where designers use these products to help convert IC design layouts into the masks used to manufacture the devices.

Our Manufacturing Solutions include Sentaurus™ technology computer-aided design (TCAD) device and process simulation products, Proteus™ mask synthesis tools, CATS® mask data preparation software, Yield Explorer® Odyssey, and Yield-Manager® yield management solutions.
Professional Services and Other

We provide consulting and design services that address all phases of the SoC development process. These services assist our customers with new tool and methodology adoption, chip architecture and specification development, functional and low-power design and verification, and physical implementation and signoff. We also provide a broad range of expert training and workshops on our latest tools and methodologies. Professional services related to the security and quality of the software embedded on the chip or elsewhere are included in the Software Integrity Solutions category and further described above.
Customer Service and Technical Support


A high level of customer service and support is critical to the adoption and successful use of our products. We provide technical support for our products through both field-based and corporate-based application engineering teams. Customers that purchase Technology Subscription Licenses (TSLs) receive post-contract customer support bundled with their license fee. Customers that purchase perpetual licenses may purchase these services separately. See Product Sales and Licensing Agreements below.


Post-contract customer support includes providing frequent updates and upgrades to maintain the utility of the software due to rapid changes in technology. Post-contractIn our Semiconductor & System Design segment, post-contract customer support for our EDA and IP products also includes access to the SolvNet® Plus portal, where customers can explore our complete design knowledge database. Updated daily, the SolvNet Plus portal includes technical documentation, design tips, and answers to user questions.

Customers can also engage, for additional charges, with our worldwide network of applications consultants for additional support needs.


In our Software Integrity segment, post-contract customer support for our products includes access to our support community portal, where customers can access our product documentation, self-service training materials, customer forums and our product knowledge base. Customers can also raise support tickets, request replacement license keys and validate the terms of their active license keys through the portal. Our support community portal is frequently updated with new and supplemental materials on a variety of topics. Customers may engage dedicated support engineers for an additional charge.

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In addition, we offer training workshops designed to increase customer design proficiency and productivity with our products. Workshops cover our EDA products and methodologies used in our design and verification flows, as well as specialized modules addressing system design, logic design, physical design, simulation and testing. We offer regularly scheduled public and private courses in a variety of locations worldwide, as well as online training (live or on-demand) through our Virtual Classrooms.
Product Warranties


We generally warrant our products to be free from defects in media and to substantially conform to material specifications for a period of 90 days for our software products and for up to 6 months for our hardware products. In many cases, we also provide our customers with limited indemnification with respect to claims that their use of our software products infringes on United States patents, copyrights, trademarks or trade secrets. We have not experienced material warranty or indemnity claims to date.
Support for Industry Standards


We actively create and support standards that help our EDA and IP customers increase productivity, facilitate efficient design flows, improve interoperability of tools from different vendors, and ensure connectivity, functionality and interoperability of IP building blocks. Standards in the electronic design industry can be established by formal accredited organizations, industry consortia, company licensing made available to all, de facto usage, or through open source licensing.


Synopsys’In our Semiconductor & System Design segment, our EDA products support many standards, including the most commonly used hardware description languages: SystemVerilog, Verilog, VHDL, and SystemC®. Our products utilize numerous industry-standard data formats, APIs, and databases for the exchange of design data among our tools, other EDA vendors’ products, and applications that customers develop internally. We also comply with a wide range of industry standards within our IP product family to ensure usability and interconnectivity.


OurIn our Software Integrity segment, our solutions support several existing and emerging industry standards for software coding and security, such as the Motor Industry Software Reliability Association (MISRA) coding standards for the automotive industry. In addition, our products support multiple major programming languages-includinglanguages, including C/C++, Objective C,C#, JavaScript (including many commonly used frameworks), and security vulnerability coverage for C#—and are compatible with numerousothers. In addition, we support many common industry language compilers, development environments, frameworks, and data and file formats.
Sales Distribution and BacklogDistribution


Our EDA and IPSemiconductor & System Design segment customers are primarily semiconductor and electronics systems companies. The customers for products in our Software Integrity solutionssegment include many of these companies as well as companies from a wider array of industries, including electronics, financial services, media, automotive, medicine, energy and industrials.

We market our products and services principally through direct sales in the United States and our principal foreign markets. We typically distribute our software products and documentation to customers electronically, but provide physical media (e.g., DVD-ROMs) when requested by the customer.


We maintain sales and support centers throughout the United States. Outside the United States, we maintain sales, support or service offices in Canada, multiple countries in Europe, Israel and multiple countries inthroughout Asia, including Japan, China, Korea, and Taiwan. Our international headquarters are located in Dublin, Ireland. Our offices are further described under Part I, Item 2, Properties.


In fiscal 2017, 2016 and 2015, an aggregate of 50%, 50% and 49%, respectively, of our total revenue was derived from sales outside of the United States. Geographic revenue, which is based on where individual "seats" or licenses to our products are located, is shown below as a percentage of total revenue for the last three fiscal years.
Additional informationInformation relating to domestic and foreign operations, including revenue and long-lived assets by geographic area, is contained in Note 13 of Notes to Consolidated Financial Statements in Part II, Item 8, Financial Statements and Supplementary Data. Risks related to our foreign operations are described in Part I, Item 1A, Risk Factors.
Our backlog was approximately $3.7 billion on October 31, 2017, an increase from backlog of $3.5 billion on October 31, 2016, resulting primarily from the timing of large multi-year contract renewals. Backlog represents committed orders that are expected
Revenue Attributable to be recognized as revenue over the following three years. We currently expect that $1.5 billion of our backlog will be recognized after fiscal 2018. Backlog may not be a reliable predictor of our future sales as business conditions may changeProduct Categories and technologies may evolve, and customers may seek to renegotiate their arrangements or may default on their payment obligations. For this and other reasons, we may not be able to recognize expected revenue from backlog when anticipated.Segments


Revenue attributable to each of our four product categories (with EDA, IP & Systems Integration, and Other comprising our Semiconductor & System Design segment) is shown below as a percentage of our total revenue for the last threethose fiscal years.
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Aggregate revenue derived from Intel Corporationone of our customers and its subsidiaries through multiple agreements accounted for 17.9%10.6%, 15.9%12.4% and 12.8% of our total revenue in fiscal 2017, 20162021, 2020 and 2015,2019, respectively. No otherIn each such year, the revenue derived from such customer accounted for more than 10% ofand its subsidiaries was primarily attributable to our revenue during such periods.Semiconductor & System Design segment.
Product Sales and Licensing Agreements


We typically license our software to customers under non-exclusive license agreements that restrict use of our software to specified purposes within specified geographical areas. The majority of licenses to our licensesEDA products are network licenses that allow a number of individual users to access the software on a defined network, including, in some cases, regional or global networks. The majority of licenses to our Software Integrity products are capacity or user licenses that allow a number of users to access the software based on a specified number of team members or specified code-bases in a defined territory. License fees depend on the type of license, product mix, and number of copies of each product licensed.


In a number of cases, we provide our customers the right to “re-mix” a portion of the software they initially licensed for other specified Synopsys products. For example, a customer may use our front-end design products for a portion of the license term and then exchange such products for back-end place-and-route software for the remainder of the term in order to complete the customer’s IC design. This practice helps ensure the customer’s access to the complete design flow needed to design their product. Offering remix rights to customers gives us an advantage over competitors who offer a narrower range of products because customers can obtain more of their design flow from a single vendor. At the same time—because in such cases the customer need not obtain a new license and pay an additional license fee for the use of the additional products—the use of these arrangements could result in reduced revenue compared to licensing the individual products separately without re-mix rights.
We currently offer our software products under, primarily, two license types: TSLs and perpetual licenses. For a full discussion of these types of licenses,our software product offerings, see Part II, Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Policies and Estimates and Results of Operations—Revenue Background.Operations.



We typically license our DesignWare IP products under nonexclusive license agreements that provide usage rights for specific applications.designs. Fees under these licenses are typically charged on a per design basis plus, in some cases, royalties. Royalty arrangements are not materialSee Note 2 of Notes to our total revenue.Consolidated Financial Statements for further information.


Our hardware products, which principally consist of our prototyping and emulation systems, are either sold or leased to our customers. Our professional services team typically provides design consulting services to our customers under consulting agreements with statements of work specific to each project.
Research and Development

Our future performance depends in large part on our ability to further enhance, extend and expand our product offerings. Research and development of existing and new products is primarily conducted within each product group. We also use targeted acquisitions to augment our own research and development efforts.
Our research and development expenses were $908.8 million, $856.7 million and $776.2 million in fiscal 2017, 2016 and 2015, respectively. Our capitalized software development costs were approximately $3.2 million, $4.1 million and $3.7 million in fiscal 2017, 2016 and 2015, respectively.
Competition


The EDA industry is highly competitive. We compete against other EDA vendors and against our customers’ own design tools and internal design capabilities. In general, we compete principally on technology leadership, product quality and features (including ease-of-use), license terms, price and payment terms, post-contract customer
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support, flexibility of tool use, and interoperability with our own and other vendors’ products. We also deliver a significant amount of engineering and design consulting for our products. No single factor drives an EDA customer’s buying decision, and we compete on all fronts to capture a higher portion of our customers’ budgets. Our competitors include EDA vendors that offer varying ranges of products and services, such as Cadence Design Systems, Inc. and Siemens EDA (formerly Mentor Graphics Corporation (which was recently acquired by Siemens AG)Corporation). We also compete with other EDA vendors, including new entrants to the marketplace, that offer products focused on one or more discrete phases of the IC design process, as well as with customers’ internally developed design tools and capabilities.


In the area of IP products, we competeWithin our Semiconductor & System Design segment, Synopsys also competes against numerous other IP providers, including Cadence Design Systems, Inc., and our customers' internally developed IP. We generally compete on the basis of product quality, reliability and features, availability of titles for new manufacturing processes, ease of integration with customer designs, compatibility with design tools, license terms, price and payment terms, and customer support.


In the area ofOur Software Integrity solutions, the market is still developing. We competesegment competes with numerous other solution providers, many of which focus on specific aspects of software security or quality analysis, as well asanalysis. We also compete with frequent new entrants, which include start-up companies and more established software companies. For example, competitors named in the Gartner Magic Quadrant for Application Security Testing include Checkmarx Ltd., Veracode (now part of Thoma Bravo, LLC) and Micro Focus International plc.
Proprietary Rights


We primarily rely upon a combination of copyright, patent, trademark, and trade secret laws and license and non-disclosure agreements to establish and protect our proprietary rights. We have a diversified portfolio of more than 2,7003,400 United States and foreign patents issued, and we will continue to pursue additional patents in the future. Our issued patents have expiration dates through 2037.2040. Our patents primarily relate to our products and the technology used in connection with our products. Our source code is protected both as a trade secret and as an unpublished copyrighted work. However, third parties may independently develop similar technology. In addition, effective copyright and trade secret protection may be unavailable or limited in some foreign countries. While protecting our proprietary technology is important to our success, our business as a whole is not significantly dependent upon any single patent, copyright, trademark, or license.


In many cases, under our customer agreements and other license agreements, we offer to indemnify our customers if the licensed products infringe on a third party’s intellectual property rights. As a result, we may from time to time need to defend claims that our customers’ use of our products infringes on these third-party rights. We license software and other intellectual property from third parties, including, in several instances, for inclusion in our products. Risks related to our use of third-party technology are described in Part I, Item 1A, Risk Factors.
EmployeesCorporate Social Responsibility at Synopsys

We recognize that our significant role in shaping a future of Smart Everything brings important responsibilities. The future is not smart if it is not sustainable, fair and secure. Our "Smart Future" Corporate Social Responsibility (CSR) program provides a focus and structure for how we address both our own operational impact on the world and our ability to influence others around us. Through CSR, we are taking action on important Environmental, Social and Governance (ESG) matters, including sustainability initiatives to procure more renewable energy and to reduce our operational footprint as well as driving a culture of diversity and inclusion throughout our workforce and on our Board of Directors.

We aim to influence positive social and environmental change across our ecosystem by applying our resources, competencies, and team-based problem-solving approach. Our technology is in action in countless ways, from bringing safety and security to the driverless car revolution to enabling the technologies that are an increasingly vital component of protecting human health and well-being.  As the role of computing increases exponentially, IoT, 5G and machine learning applications risk driving similarly exponential energy consumption and carbon emissions. This makes our work to enable low-power computing at the device level and in the cloud especially critical to the industry’s sustainability.

Additional information about our approach to CSR and to ESG issues is available on our CSR website, including our Environmental Policy, our CSR Report, and our CDP Climate Change Questionnaire. The contents of our website,
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Corporate Social Responsibility Report and CDP Climate Change Questionnaire are referenced for general information only and are not incorporated into this 10-K.
Human Capital Resources
Synopsys continues our commitment to attracting and retaining the brightest and best talent, and investing in and inspiring our people to do their best work is critical for our success. As of October 31, 2017,fiscal year-end, Synopsys had 11,68616,361 employees, of which 4,196 were basedapproximately 28% are in the United States.States, and 72% in other locations around the world. Approximately 78% of our employees are engineers, and over half of those employees hold Masters’ or PhD degrees. Human capital measures and objectives that Synopsys focuses on in managing its business include employee health, safety and wellbeing, talent acquisition and retention, employee engagement, development and training, inclusion and diversity, and compensation and pay equity.

Health, Safety and Wellbeing
Executive OfficersThe health and safety of our employees, their families, our customers and the communities in which we live and work, remains a top priority. We have held multiple clinics in our offices for employees to be vaccinated, and have provided ongoing assistance to our employees and their families throughout the pandemic. With employee wellness at the forefront of our efforts, we provided our employees with a variety of benefits and support initiatives to address the inherent challenges of working remotely during the pandemic, including a parental resources website with information to assist working parents co-educating children at home, and our Stronger Through Wellbeing campaign focused on employee empowerment, which included five recharge days to ensure employees were taking time off and truly getting a restful break.
Recruitment and Retention
Our workforce is representative of the Registrantindustry we serve. We are highly technical, enjoy pushing the boundaries of what is possible and are individually innovative. In 2021, we grew our employee headcount by approximately 9% with a continued focus on increasing the number of women in technical positions in our workforce and ensuring a vibrant talent pipeline through early career hiring. While we experienced an increase in employee turnover in 2021, our turnover rate remains notably lower than our competitive benchmarks. We attribute the strong retention of our talented workforce to a number of factors, including exciting and challenging assignments, strong leadership and management, a culture of integrity, the opportunity to learn new skills and advance careers, our commitment to diversity and inclusion, and the strength of our technology and customer relationships, along with competitive and equitable total rewards, as described below.
Inclusion and Diversity
Inclusion and Diversity (I&D) runs through our corporate values at every level—from our foundation of integrity to our execution excellence, from our dedicated leadership to our united passion for a better tomorrow. We have always strived to be a company where different perspectives and backgrounds are leveraged and celebrated. We care deeply about the diversity of our teams, talent pipelines and pay and development programs with a goal to ensure inclusive, equitable practices. We carefully study retention trends and feedback from diverse groups to identify areas where we can improve.
In 2021, we continued to increase the representation of women in our workforce globally and increased representation of Black, Latinx and Indigenous individuals in our U.S. employee base. We provide leadership training designed to promote inclusion and diversity in attracting, retaining and developing our workforce, and we are developing a training program to actively attract and engage individuals with disabilities. In addition, we established employee resource groups, which are employee led communities that serve to foster an inclusive and diverse workplace and align with Synopsys’ mission and values in support of our goals for inclusion and diversity.
Total Rewards
To ensure a compelling total rewards philosophy and practice, we have practices in place to deliver fair and equitable compensation for employees based on their contribution and performance. We benchmark market practices, and regularly review our compensation against the market to ensure it remains competitive. We also offer a comprehensive and tailored set of benefits for employees and their families, providing protection from unexpected losses or medical expenses. Our compensation and benefit programs are tailored to the various geographies in which we operate and for eligible employees, may include:
market-competitive salary and cash bonus opportunity;
robust medical, dental, vision, and wellness benefits;
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financial planning tools and employee assistance plans;
comprehensive leave alternatives;
Employee Stock Purchase Plan (ESPP);
equity compensation for eligible employees;
life insurance options;
retirement plans and associated benefits;
student loan repayment assistance;
and parental resources and adoption benefits.
Employee Engagement
We use employee feedback to drive and improve processes that support our customers and ensure a deep understanding of our culture and vision among our employees. Through our semi-annual SHAPE Synopsys surveys, we obtain employee insights on our values, manager effectiveness, ability to innovate, perceptions on inclusion and diversity, and other critical factors. By inviting employees to share their experiences, we create space for important conversations about who we are, where we are going, and how we can connect with each other and our work.
In mid-year 2021, 88% of our employee population participated in the SHAPE Synopsys survey. Results showed our global workforce to be highly engaged, with our overall score outpacing the industry engagement benchmark. We were pleased to see strong scores from our people in both how they were coping with the challenging circumstances related to the pandemic, and our managers’ demonstrated ability to consider the wellbeing of their team members. We also observed positive scores and trends on items related to the employee experience.
Ongoing performance feedback encourages greater engagement in our business and improved individual performance. Each year, our employees participate in our performance development process that summarizes key accomplishments for the preceding year, establishes new stretch goals, and identifies critical capabilities for development. As part of this process, we encourage managers to solicit and share supportive multi-rater feedback, further strengthening the focus on teamwork and team success.
Talent Development
We regard every member of our employee base as a leader. We provide a number of leadership programs to address the career advancement and associated business impact of our employees, emerging leaders and executives. Through our digital platform, which was heavily utilized by our employees in 2021, we drive a culture of continuous learning where employees can access training, external articles, videos and blogs. In addition, we hosted a series of in-person and on-demand learning sessions designed to build capability and adaptability required for the future. As employees advance in their careers, our training framework builds new capabilities on established foundational skills.
Based upon the belief that our employees deserve great managers, our management training is designed to increase capability in the areas of communication, engagement, coaching, inclusion and diversity, hiring and on-boarding, business skills and ensuring an ethical and supportive work environment free from bias and harassment. Our regions and business teams also customize development programs for their specific needs.
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Information about our Executive Officers
The executive officers of Synopsys and their ages as of December 13, 20172021 were as follows:
NameAgePosition
Aart J. de Geus6367Co-Chief Executive Officer and Chairman of the Board of Directors
Chi-Foon Chan6872Co-Chief Executive Officer and President
Sassine Ghazi51President and Chief Operating Officer
Trac Pham4852Chief Financial Officer
Joseph W. Logan5862Sales and Corporate MarketingChief Revenue Officer
John F. Runkel, Jr.6266General Counsel and Corporate Secretary
Aart J. de Geus co-founded Synopsys and has served as Chairman of our Board of Directors since February 1998 and Chief Executive Officer since January 1994. He has served as Co-Chief Executive Officer with Dr. Chi-Foon Chan since May 2012. Since the inception of Synopsys in December 1986, Dr. de Geus has held a variety of positions, including President, Senior Vice President of Engineering and Senior Vice President of Marketing. He has served as a member of Synopsys’ Board of Directors since 1986, and served as Chairman of our Board from 1986 to 1992 and again from 1998 until present. Dr. de Geus has also served on the board of directors of Applied Materials, Inc. since July 2007. Dr. de Geus holds an M.S.E.E. from the Swiss Federal Institute of Technology in Lausanne, Switzerland and a Ph.D. in Electrical Engineering from Southern Methodist University.
Chi-Foon Chan has served as our Co-Chief Executive Officer since May 2012 and as our President and a member of our Board of Directors since February 1998. Prior to his appointment as our Co-Chief Executive Officer in May 2012, he had served as our Chief Operating Officer since April 1997.President from February 1998 to October 2021. Dr. Chan joined Synopsys in May 1990 and has held various senior management positions, including Executive Vice President, Office of the PresidentChief Operating Officer from September 1996April 1997 to February 1998 and Senior Vice President, Design Tools Group from February 1994 to April 1997.May 2012. Dr. Chan has also held senior management and engineering positions at NEC Electronics and Intel Corporation. Dr. Chan holds a B.S. in Electrical Engineering from Rutgers University, and an M.S. and a Ph.D. in Computer Engineering from Case Western Reserve University.
Sassine Ghazi has served as our Chief Operating Officer since August 2020 and became our President in November 2021. Mr. Ghazi joined Synopsys in March 1998 as an Application Engineer and most recently served as General Manager of the Design Group. Prior to joining Synopsys, Mr. Ghazi was a design engineer at Intel. Mr. Ghazi received his bachelor’s degree in Business Administration from Lebanese American University; a B.S.E.E from the Georgia Institute of Technology in 1993; and an M.S.E.E. from the University of Tennessee in 1995.
Trac Pham is our Chief Financial Officer. Mr. Pham joined Synopsys in November 2006 as Vice President, Financial Planning and Strategy. He became our Vice President, Corporate Finance, in August 2012, assuming additional responsibility for our tax and treasury functions, before being appointed Chief Financial Officer in December 2014. Mr. Pham holds a Bachelor of Arts in Economics from the University of California, Berkeley and an MPIA (Master of Pacific International Affairs) from the University of California, San Diego. He is an active status California CPA.
Joseph W. Logan serves has served as our Chief Revenue Officer since June 2021. Previously, Mr. Logan was our Sales and Corporate Marketing Officer. He becameOfficer from July 2017 to June 2021, Senior Vice President of Worldwide Sales infrom September 2006 to July 2017, and assumed responsibility for our Corporate Marketing organization in August 2013. Previously, Mr. Logan was headHead of salesSales for Synopsys’ North America East region from September 2001 to September 2006. Prior to Synopsys, Mr. Logan was head of North American Sales and Support at Avant! Corporation. Mr. Logan holds a B.S.E.E. from the University of Massachusetts, Amherst.
John F. Runkel, Jr. has served as our General Counsel and Corporate Secretary since May 2014. From October 2008 to March 2013, he was Executive Vice President, General Counsel, and Corporate Secretary of Affymetrix, Inc. He served as Senior Vice President, General Counsel and Corporate Secretary of Intuitive Surgical, Inc. from 2006 to 2007. Mr. Runkel served in several roles at VISX, Inc. from 2001 to 2005, most recently as Senior Vice President of Business Development and General Counsel. Mr. Runkel was also a partner at the law firm of Sheppard, Mullin, Richter & Hampton LLP for 11 years. He holds a Bachelor of Arts and a Juris Doctorate from the University of California, Los Angeles.
There are no family relationships among any Synopsys executive officers or directors.

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 Item 1A.     Risk Factors
A description of the risk factors associated with our business is set forth below. The risks and uncertainties described below could cause our actual results to differ materially from the results contemplated by the forward-looking statements contained in this report. Investors should carefully consider these risks and uncertainties before investing in our common stock.

COVID-19 Pandemic Risks

The COVID-19 pandemic could have a material adverse effect on our business, operations and financial condition.
The COVID-19 pandemic has caused minor disruptions to our business operations to date and could have a material adverse effect on our business, operations and financial condition in the future. For example, we have experienced limited hardware supply chain and logistical challenges as well as a slowdown in customer commitments in our Software Integrity segment. In response to the COVID-19 pandemic, governments and businesses have taken unprecedented actions to contain the virus, including requiring social distancing, implementing travel restrictions, instituting shelter-in-place orders and various other restrictions on non-essential businesses. These restrictions have significantly curtailed global economic activity and have caused substantial volatility and disruption in global financial markets. We transitioned most of our employees in affected regions to work remotely in order to comply with applicable restrictions and government requirements, and implemented travel restrictions and other changes to our business operations. We are continuing to transition employees back into offices in select jurisdictions in conformity with local guidelines and regulations. Each office must follow physical distancing guidelines and affirmative health measures in compliance with applicable local, state and national requirements. For instance, on November 5, 2021, the Occupational Safety and Health Administration issued an interim final rule that requires employers with 100 or more employees to develop, to implement and to enforce a mandatory COVID-19 vaccination policy, unless unvaccinated employees comply with masking and testing requirements. Such requirements are currently scheduled to be effective on January 4, 2022. Although we have been able to navigate workplace restrictions and limitations with minimal disruptions to our business operations to date, we may further modify our business practices and real estate needs in response to the risks and negative impacts caused by the COVID-19 pandemic, but we cannot be certain that these measures will continue to be successful.
The extent to which the COVID-19 pandemic impacts our business operations in future periods will depend on multiple uncertain factors, including the duration and scope of the pandemic, its overall negative impact on the global economy and, in some cases, the regional and national economies of areas experiencing a localized surge in COVID-19 cases, continued responses by governments and businesses to COVID-19 and its variants, the ability to secure timely payment from customers, the ability to accurately estimate customer demand, reduced willingness of current and potential customers to purchase our products and services due to their own business and market uncertainties, the ability of our business partners and third-party providers to fulfill their responsibilities and commitments, the ability to secure adequate and timely supply of equipment and materials from suppliers for our hardware products, and the ability to develop and deliver our products. While our operations have experienced minor disruptions to date in connection with localized surges in cases, a continued and sustained increase in the amount of COVID-19 cases, or the emergence of additional variants, in countries or regions where we have operations could have a material adverse effect on our or our customers' businesses, operations and financial conditions. In addition, continued weak economic conditions may result in impairment in value of our tangible and intangible assets. The impact of the COVID-19 pandemic may also have the effect of heightening many of the other risks and uncertainties described in this “Risk Factors” section.
Industry Risks
Uncertainty in the global economy, and its potential impact on the semiconductor and electronics industries in particular, may negatively affect our business, operating results and financial condition.
Uncertainty caused by the recent challenging global economic conditions, including due to the effects of the COVID-19 pandemic, could lead some of our customers to postpone their decision-making, decrease their spending and/or delay their payments to us. Such caution by customers could, among other things, limit our ability to maintain or increase our sales or recognize revenue from committed contracts. Outside of a slowdown in customer commitments in our Software Integrity segment, we have not seen evidence of impacts on customer orders from the COVID-19 pandemic to date.
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We cannot predict the stability of the economy as a whole or the industries in which we operate. Economic conditions could deteriorate in the future, and, in particular, the semiconductor and electronics industries could fail to grow, including as the result of the effects of, among other things, the COVID-19 pandemic, a sustained global semiconductor shortage, supply chain disruptions or delays, and any disruption of international trade relationships such as tariffs, export licenses or other government trade restrictions. Furthermore, China’s stated policy of becoming a global leader in the semiconductor industry may lead to increased competition and further disruption of international trade relationships, including, but not limited to, additional government trade restrictions. For more on risks related to government trade restrictions such as the United States government’s “Entity List,” see “Business Operations Risks–The global nature of our operations exposes us to increased risks and compliance obligations that may adversely affect our business.”
Adverse economic conditions affect demand for devices that our products help create, such as the ICs incorporated in personal computers, smartphones and automobiles, and servers. Longer-term reduced demand for these or other products could result in reduced demand for design solutions and significant decreases in our average selling prices and product sales over time. Future downturns could also adversely affect our business. In addition, if our customers or distributors build elevated inventory levels, we could experience a decrease in short-term and/or long-term demand for our products. If any of these events or disruptions were to occur, the bookings for our products and services could be adversely affected along with our business, operating results and financial condition. Further, the negative impact of these events or disruptions may be deferred due to our business model. Similarly, in the event of future improvements in economic conditions for our customers, the positive impact on our revenues and financial results may be deferred due to our business model.
Further economic instability could also adversely affect the banking and financial services industry and result in credit downgrades of the banks we rely on for foreign currency forward contracts, credit and banking transactions, and deposit services, or cause them to default on their obligations. Additionally, the banking and financial services industries are subject to complex laws and heavily regulated. There is uncertainty regarding how proposed, contemplated or future changes to the laws and regulations governing our industry, the banking and financial services industry and the economy could affect our business. A deterioration of conditions in worldwide credit markets could limit our ability to obtain external financing to fund our operations and capital expenditures. In addition, difficult economic conditions may also result in a higher rate of losses on our accounts receivable due to credit defaults. Any of the foregoing could cause adverse effects on our business, operating results and financial condition, and could cause our stock price to decline.
The growth of our business depends primarily on the semiconductor and electronics industries.
The growth of the electronic design automation (EDA)EDA industry as a whole, and our EDA and intellectual property (IP)Semiconductor & System Design segment product sales, in particular, isand to some extent our Software Integrity segment product sales, are dependent on the semiconductor and electronics industries. A substantial portion of our business and revenue depends upon the commencement of new design projects by semiconductor manufacturers, systems companies and their customers. The increasing complexity of designs of systems-on-chips, and integrated circuits,ICs, electronic systems and customers’ concerns about managing costs have previously led to, and in the future could lead to, a decrease in design starts and design activity in general, withgeneral. For example, in response to this increasing complexity, some customers focusing moremay choose to focus on one discrete phase of the design process or optingopt for less advanced, but less risky, manufacturing processes that may not require the most advanced EDA products. Demand for our products and services could decrease and our financial condition and results of operations could be adversely affected if growth in the semiconductor and electronics industries slows or stalls.stalls, including due to the impact of the COVID-19 pandemic or a sustained global supply chain disruption. Additionally, as the EDA industry matures,has matured, consolidation may resulthas resulted in stronger competition from companies better able to compete as sole source vendors. This increased competition may cause our revenue growth rate to decline and exert downward pressure on our operating margins, which may have an adverse effect on our business and financial condition.
Furthermore, the semiconductor and electronics industries have become increasingly complex ecosystems. Many of our customers outsource the manufacture of their semiconductor designs to foundries. Our customers also frequently incorporate third-party IP, whether provided by us or other vendors, into their designs to improve the efficiency of their design process. We work closely with major foundries to ensure that our EDA, IP and manufacturing solutions are compatible with their manufacturing processes. Similarly, we work closely with other major providers of semiconductor IP, particularly microprocessor IP, to optimize our EDA tools for use with their IP designs and to assure that their IP and our own IP products whichwork effectively together, as we may each provide for the design of separate components on the same chip, work effectively together.chip. If we fail to optimize our EDA and IP solutions for use with major foundries’ manufacturing processes or major IP providers’ products, or if our access to such foundry
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processes or third-party IP products is hampered, then our solutions may become less desirable to our customers, resulting in an adverse effect on our business and financial condition.
Consolidation among our customers and within the industries in which we operate, as well as our dependence on a relatively small number of large customers, may negatively impact our operating results.

A number of business combinations, including mergers, asset acquisitions and strategic partnerships, among our customers in the semiconductor and electronics industries have occurred over the last several years, and more could occur in the future. Consolidation among our customers could lead to fewer customers or the loss of customers, increased customer bargaining power, or reduced customer spending on software and services. Furthermore, we depend on a relatively small number of large customers, and on such customers continuing to renew licenses and purchase additional products from us, for a large portion of our revenue. Reduced customer spending or the loss of a small number of customers, particularly our large customers, could adversely affect our business and financial condition. In addition, we and our competitors from time to time acquire businesses and technologies to complement and expand our respective product offerings. If any of our competitors consolidate or acquire businesses and technologies which we do not offer, they may be able to offer a larger technology portfolio, additional support and service capability, or lower prices, which could negatively impact our business and operating results.

Uncertainty in the global economy, and its potential impact on the semiconductor and electronics industries in particular, may negatively affect our business, operating results and financial condition.
While the global economy has shown improvement in recent years, there are still uncertainties surrounding the strength of the recovery in many regions. Uncertainty caused by challenging global economic conditions could lead some of our customers to postpone their decision-making, decrease their spending and/or delay their payments to us. Such caution by semiconductor companies could, among other things, limit our ability to maintain or increase our sales or recognize revenue from committed contracts.
We cannot predict the stability of the economy as a whole or the industries in which we operate. Further economic instability could adversely affect the banking and financial services industry and result in credit downgrades of the banks we rely on for foreign currency forward contracts, credit and banking transactions, and deposit services, or cause them to default on their obligations. There is uncertainty regarding how proposed, contemplated or future changes to the complex law, and regulations governing our industry, the banking and financial services industry, and the economy could affect our business. In addition, economic conditions could deteriorate in the future, and, in particular, the semiconductor and electronics industries could fail to grow. In the event of future improvements in

economic conditions for our customers, the positive impact on our revenues and financial results may be deferred due to our business model. Any of the foregoing could cause adverse effects on our business, operating results and financial condition, and could cause our stock price to decline.
We may not be able to realize the potential financial or strategic benefits of the acquisitions we complete, or find suitable target businesses and technology to acquire, which could hurt our ability to grow our business, develop new products or sell our products.
Acquisitions are an important part of our growth strategy. We have completed a significant number of acquisitions in recent years. We expect to make additional acquisitions in the future, but we may not find suitable acquisition targets or we may not be able to consummate desired acquisitions due to unfavorable credit markets, commercially unacceptable terms, or other risks, which could harm our operating results. Acquisitions are difficult, time-consuming, and pose a number of risks, including:

Potential negative impact on our earnings per share;
Failure of acquired products to achieve projected sales;
Problems in integrating the acquired products with our products;
Difficulties entering into new markets in which we are not experienced or where competitors may have stronger positions;
Potential downward pressure on operating margins due to lower operating margins of acquired businesses, increased headcount costs and other expenses associated with adding and supporting new products;
Difficulties in retaining and integrating key employees;
Substantial reductions of our cash resources and/or the incurrence of debt;
Failure to realize expected synergies or cost savings;
Difficulties in integrating or expanding sales, marketing and distribution functions and administrative systems, including information technology and human resources systems;
Dilution of our current stockholders through the issuance of common stock as part of the merger consideration;
Assumption of unknown liabilities, including tax and litigation, and the related expenses and diversion of resources;
Disruption of ongoing business operations, including diversion of management’s attention and uncertainty for employees and customers, particularly during the post-acquisition integration process;
Potential negative impacts on our relationships with customers, distributors and business partners;
Exposure to new operational risks, regulations, and business customs to the extent acquired businesses are located in regions where we are not currently conducting business;
The need to implement controls, processes and policies appropriate for a public company at acquired companies that may have lacked such controls, processes and policies;
Negative impact on our net income resulting from acquisition-related costs; and
Requirements imposed by government regulators in connection with their review of an acquisition, including required divestitures or restrictions on the conduct of our business or the acquired business.
If we do not manage the foregoing risks, the acquisitions that we complete may have an adverse effect on our business and financial condition.
Our operating results may fluctuate in the future, which may adversely affect our stock price.
Our operating results are subject to quarterly and annual fluctuations, which may adversely affect our stock price. Our historical results should not be viewed as indicative of our future performance due to these periodic fluctuations.
Many factors may cause our revenue or earnings to fluctuate, including:

Changes in demand for our products—especially products, such as hardware, generating upfront revenue—due to fluctuations in demand for our customers’ products and due to constraints in our customers’ budgets for research and development and EDA products and services;
Product competition in the EDA industry, which can change rapidly due to industry or customer consolidation and technological innovation;

Our ability to innovate and introduce new products and services or effectively integrate products and technologies that we acquire;
Failures or delays in completing sales due to our lengthy sales cycle, which often includes a substantial customer evaluation and approval process because of the complexity of our products and services;
Our ability to implement effective cost control measures;
Our dependence on a relatively small number of large customers, and on such customers continuing to renew licenses and purchase additional products from us, for a large portion of our revenue;
Changes in the mix of our products sold, as increased sales of our products with lower gross margins, such as our hardware products, may reduce our overall margins;
Expenses related to our acquisition and integration of businesses and technology;
Changes in tax rules, as well as changes to our effective tax rate, including the tax effects of infrequent or unusual transactions;
Delays, increased costs or quality issues resulting from our reliance on third parties to manufacture our hardware products, which include a sole supplier for certain hardware components; and
General economic and political conditions that affect the semiconductor and electronics industries.
The timing of revenue recognition may also cause our revenue and earnings to fluctuate, due to factors that include:

Cancellations or changes in levels of orders or the mix between upfront products revenue and time-based products revenue;
Delay of one or more orders for a particular period, particularly orders generating upfront products revenue, such as hardware;
Delay in the completion of professional services projects that require significant modification or customization and are accounted for using the percentage of completion method;
Delay in the completion and delivery of IP products in development that customers have paid for early access to;
Customer contract amendments or renewals that provide discounts or defer revenue to later periods;
The levels of our hardware revenues, which are recognized upfront and are primarily dependent upon our ability to provide the latest technology and meet customer requirements, and which may also impact our levels of excess and obsolete inventory expenses; and
Changes in our revenue recognition model.
These factors, or any other factors or risks discussed herein, could negatively impact our revenue or earnings and cause our stock price to decline. Additionally, our results may fail to meet or exceed the expectations of securities analysts and investors, or such analysts may change their recommendation regarding our stock, which could cause our stock price to decline. Our stock price has been, and may continue to be, volatile, which may make it harder for our stockholders to sell their shares at a time or a price that is favorable to them.
We operate in highly competitive industries, and if we do not continue to meet our customers’ demand for innovative technology at lower costs, our products may not be competitive or may become obsolete, and our business and financial condition willmay be harmed.
WeIn our Semiconductor & System Design segment, we compete against EDA vendors that offer a variety of products and services, such as Cadence Design Systems, Inc. and Siemens EDA (formerly Mentor Graphics Corporation (which was recently acquired by Siemens AG)Corporation). We also compete with other EDA vendors, including new entrants to the marketplace, that offer products focused on one or more discrete phases of the IC design process. Moreover, our customers internally develop design tools and capabilities that compete with our products, including internal designs that compete with our IP products.
In the area of IP products, we compete against numerous othera growing number of IP providers as well as our customers'customers’ internally developed IP.
In the area ofour Software Integrity solutions,segment, we compete with numerous other solution providers, many of which focus on specific aspects of software security or quality analysis. We also compete with frequent new entrants, which include start-up companies and more established software companies.
The industries in which we operate are highly competitive, with new competitors entering these markets both domestically and theinternationally. The demand for our products and services is dynamic and depends on a number of factors, including demand for our customers’ products, design starts and our customers’ budgetary constraints. Technology in these industries evolves rapidly and is characterized by frequent product introductions and improvements as well as changes in industry standards and customer requirements. For example, the adoption of cloud computing and artificial intelligence technologies can bring new demands and also challenges in terms of disruption to both business models and our existing technology offerings. Semiconductor device functionality requirements continually increase while feature widths decrease, substantially increasing the complexity, cost and risk of chip design and manufacturing. At the same time, our customers and

potential customers continue to demand an overall lower total cost of design, which can lead to the consolidation of their purchases with one vendor. In order to succeed in this environment, we must successfully meet our customers’ technology requirements and increase the value of our products, while also striving to reduce their overall costs and our own operating costs.
We compete principally on the basis of technology, product quality and features (including ease-of-use), license or usage terms, post-contract customer support, interoperability among products and price and payment terms. Specifically, we believe the following competitive factors affect our success:

Our ability to anticipate and lead critical development cycles and technological shifts, innovate rapidly and efficiently, improve our existing software and hardware products and successfully develop or acquire such new products;
Our ability to offer products that provide both a high level of integration into a comprehensive platform and a high level of individual product performance;
Our ability to enhance the value of our offerings through more favorable terms such as expanded license usage, future purchase rights, price discounts and other uniquedifferentiating rights, such as multiple tool copies, post-contract customer support, “re-mix” rights that allow customers to exchange the software they initially licensed for other Synopsys products and the ability to purchase pools of technology;
Our ability to manage an efficient supply chain to ensure availability of hardware products;
Our ability to compete on the basis of payment terms; and
Our ability to provide engineering and design consulting for our products.
If we fail to successfully manage these competitive factors, fail to successfully balance the conflicting demands for innovative technology and lower overall costs, or fail to address new competitive forces, our business and financial condition will be adversely affected.
We pursue new product
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Consolidation among our customers and technology initiativeswithin the industries in which we operate, as well as our dependence on a relatively small number of large customers, may negatively impact our operating results.
A number of business combinations, including mergers, asset acquisitions and strategic partnerships, among our customers in the semiconductor and electronics industries have occurred over the last several years, and more could occur in the future. Consolidation among our customers could lead to fewer customers or the loss of customers, increased customer bargaining power or reduced customer spending on software and services. Furthermore, we depend on a relatively small number of large customers, and on such customers continuing to renew licenses and purchase additional products from us, for a large portion of our revenues. Consolidation among our customers could also reduce the demand for our products and services if customers streamline research and development or operations, reduce purchases or delay purchasing decisions.
Reduced customer spending or the loss of a small number of customers, particularly our large customers, could adversely affect our business and financial condition. In addition, we and our competitors from time to time acquire businesses and if we failtechnologies to successfully carry out these initiatives,complement and expand our business, financial condition, or results of operationsrespective product offerings. Consolidated competitors could be adversely impacted.
As part of the evolution of our business, we have made substantial investments to develop new products and enhancements to existing products through our acquisitions and research and development efforts. If we are unable to anticipate technological changes in our industry by introducing new or enhanced products in a timely and cost-effective manner, or if we fail to introduce products that meet market demand, we may lose our competitive position, our products may become obsolete, and our business, financial condition or results of operations could be adversely affected.

Additionally, from time to time, we invest in expansion into adjacent markets, including software quality, testing, and security solutions. Although we believe these solutions are complementary to our EDA tools, we have less experience and a more limited operating history in offering software quality, testing, and security products and services, and our efforts in this area may not be successful. Our success in these new markets depends on a variety of factors, including the following:

Our ability to attract a new customer base, including in industries in which we have less experience;
Our successful development of new sales and marketing strategies to meet customer requirements;
Our ability to accurately predict, prepare for, and promptly respond to technological developments in new fields, including, in the case of our software quality, testing, and security tools and services, identifying new security vulnerabilities in software code and ensuring support for a growing number of programming languages;
Our ability to compete with new and existing competitors in these new industries, many of which may have moreconsiderable financial resources, industry experience, brand recognition, relevant intellectual property rights, or established customer relationships than we currently do;
Our ability to skillfully balance our investmentchannel influence, and broad geographic reach; thus, they can engage in adjacent markets with investment in our existing productscompetition on the basis of product differentiation, pricing, marketing, services, support and services;
Our ability to attract and retain employees with expertise in new fields;
Our ability to sell and support consulting services at profitable margins; and
Our ability to manage our revenue model in connection with hybrid sales of licensed products and consulting services.


Difficulties inmore. If any of our new product development effortscompetitors consolidate or our effortsacquire businesses and technologies that we do not offer, they may be able to enter adjacent marketsoffer a larger technology portfolio, additional support and service capability or lower prices, which could adversely affect our operating results and financial condition.
Cybersecurity threats or other security breaches could compromise sensitive information belonging to us or our customers and could harmnegatively impact our business and our reputation, particularly that of our security testing solutions.operating results.
We store sensitive data, including intellectual property, our proprietary business information and that of our customers, and confidential employee information, in our data centers and on our networks. Despite our security measures, our information technology and infrastructure may be vulnerable to attacks by hackers or breached due to employee error, malfeasance or other disruptions that could result in unauthorized disclosure or loss of sensitive information.
For example, in October 2015, we discovered unauthorized third-party access, which had begun in July 2015, to our products and product license files hosted on our SolvNet customer license and product delivery system. We determined that no customer project or design data had been accessed. No personally identifiable information or payment card information is stored on the system. While we identified and closed the method used to gain access, it is possible our security measures may be circumvented again in the future, and such a breach could harm our business and reputation. The techniques used to obtain unauthorized access to networks, or to sabotage systems, change frequently and generally are not recognized until launched against a target. We may be unable to anticipate these techniques or to implement adequate preventative measures. Furthermore, in the operation of our business we also use third-party vendors that store certain sensitive data, including confidential information about our employees, and these third parties are subject to their own cybersecurity threats. While our standard vendor terms and conditions include provisions requiring the use of appropriate security measures to prevent unauthorized use or disclosure of our data, as well as other safeguards, a breach may still occur. Any security breach of our own or a third-party vendor’s systems could cause us to be non-compliant with applicable laws or regulations, subject us to legal claims or proceedings, disrupt our operations, damage our reputation, and cause a loss of confidence in our products and services, any of which could adversely affect our business.
Our software products may also be vulnerable to cyber attacks. An attack could disrupt the proper functioning of our software, cause errors in the output of our customers’ work, allow unauthorized access to our or our customers’ proprietary information, and other destructive outcomes. As a result, our reputation could suffer, customers could stop buying our products, we could face lawsuits and potential liability, and our financial performance could be negatively impacted.
We offer software security and quality testing solutions. If we fail to identify new and increasingly sophisticated methods of cyberattack, or fail to invest sufficient resources in research and development regarding new threat vectors, our security testing products and services may fail to detect vulnerabilities in our customers’ software code. An actual or perceived failure to identify security flaws may harm the perceived reliability of our security testing products and services, and could result in a loss of customers, sales, or an increased cost to remedy a problem. Furthermore, our growth and recent acquisitions in the software security and quality testing space may increase our visibility as a security-focused company and may make us a more attractive target for attacks on our own information technology infrastructure. Successful attacks could damage our reputation as a security-focused company.Business Operations Risks
The global nature of our operations exposes us to increased risks and compliance obligations that may adversely affect our business.
We derive roughly half of our revenue from sales outside the United States, and we expect our orders and revenue to continue to depend on sales to customers outside the U.S. In addition, weWe have also continually expanded our non-U.S. operations in the past several years.operations. This strategy requires us to recruit and retain qualified technical and managerial employees, manage multiple remote locations performing complex software development projects and ensure intellectual property protection outside of the U.S. Our international operations and sales subject us to a number of increased risks, including:

Ineffective or weaker legal protection of intellectual property rights;
Uncertain economic and political conditions in countriesregions where we do business;business such as China or Europe;
Government trade restrictions, including tariffs, export controls, or other trade barriers, and changes to existing trade arrangements between various countries such as China;
Difficulties in adapting to cultural differences in the conduct of business, which may include business practices in which we are prohibited from engaging by the Foreign Corrupt Practices Act or other anti-corruption laws;
Financial risks such as longer payment cycles and difficulty in collecting accounts receivable;

Inadequate local infrastructure that could result in business disruptions;
Government trade restrictions, including tariffs, export licenses, or other trade barriers, and changes to existing trade arrangements between various countries;
Additional taxes, interest and potential penalties and uncertainty around changes in tax laws of various countries; and
Other factors beyond our control such as natural disasters, terrorism, civil unrest, war and infectious diseases.diseases and pandemics, including COVID-19.
As our business volume increases in the Asia Pacific region, there is inherent risk, based on the complex relationships between certain Asian countries and the United States, that governmental influences could result in trade disruptions.
IfFurthermore, if any of the foreign economies in which we do business deteriorate or if we fail to effectively manage our global operations, our business and results of operations will be harmed.
OurThere is inherent risk, based on the complex relationships between certain Asian countries such as China, where we derive a growing percentage of our revenue, and the United States, that political, diplomatic or military events could result in trade disruptions, including tariffs, trade embargoes, export restrictions and other trade barriers. A significant trade disruption, export restriction, or the establishment or increase of any trade barrier in any area where
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we do business could reduce customer demand and cause customers to search for substitute products and services, make our products and services more expensive or unavailable for customers, increase the cost of our products and services, have a negative impact on customer confidence and spending, make our products less competitive, or otherwise have a materially adverse impact on our future revenue and profits, our customers’ and suppliers’ businesses, and our results of operations.
For example, the United States government has placed certain entities on the Entity List, restricting the sale of U.S. technologies to the named entities. As a result of this government action, unless and until the restriction is lifted, we are not able to ship technologies subject to the U.S. Export Administration Regulations or provide support to these entities. Furthermore, any company with knowledge that a customer will use certain U.S. technologies to design or produce any item for a Huawei-affiliated company on the Entity List must obtain a license prior to any export of such technologies. The Bureau of Industry and Security (BIS) also added a military end user list, where they identified more than one hundred Chinese and Russian companies that are considered to be military end users. We believe that the restrictions imposed by the U.S. government thus far will not materially impact our business at this time, but cannot predict the impact that additional regulatory changes may have on our business in the future. Due to the nature of our business and technology, governmental authorities may inquire into transactions between us and certain foreign entities. For example, we recently received an administrative subpoena from BIS requesting production of information relating to transactions with certain Chinese entities. We believe we are in full compliance with all applicable regulations and are currently working with BIS to respond to its subpoena. However, inquiries, such as this one, are subject to a number of uncertainties, and we cannot predict the outcome of this inquiry or its potential effect on our operations or financial condition.

In response to actions taken by the United States, other countries may adopt tariffs and trade barriers that could limit our ability to offer our products and services. Current and potential customers who are concerned or affected by such tariffs or restrictions may respond by developing their own products or replacing our solutions, which would have an adverse effect on our business. In addition, government or customer efforts, attitudes, laws, or policies regarding technology independence may lead to non-U.S. customers favoring their domestic technology solutions that could compete with or replace our products, which would also have an adverse effect on our business.
In addition to tariffs and other trade barriers, our global operations are subject to numerous U.S. and foreign laws and regulations includingsuch as those related to anti-corruption, tax, corporate governance, imports and exports, financial and other disclosures, privacy and labor relations. These laws and regulations are complex and may have differing or conflicting legal standards, making compliance difficult and costly. In addition, there is uncertainty regarding how proposed, contemplated or future changes to these complex laws and regulations could affect our business. We may incur substantial expense in complying with the new obligations to be imposed by these laws and regulations, and we may be required to make significant changes in our business operations, all of which may adversely affect our revenues and our business overall. If we violate these laws and regulations, we could be subject to fines, penalties or criminal sanctions, and may be prohibited from conducting business in one or more countries. Although we have implemented policies and procedures to help ensure compliance with these laws and regulations, there can be no assurance that our employees, contractors, agents or partners will not violate such laws and regulations. Any violation individually or in the aggregate could have a material adverse effect on our operations and financial condition.
Our financial statementsresults are also affected by fluctuations in foreign currency exchange rates. A weakening U.S. dollar relative to other currencies increases expenses of our foreign subsidiaries when they are translated into U.S. dollars in our consolidated statementstatements of operations.income. Likewise, a strengthening U.S. dollar relative to other currencies, especiallyincluding the Japaneserenminbi or Yen, reduces revenue of our foreign subsidiaries upon translation and consolidation. Exchange rates are subject to significant and rapid fluctuations, and therefore we cannot predict the prospective impact of exchange rate fluctuations. Although we engage in foreign currency hedging activity, we may be unable to hedge all of our foreign currency risk, which could have a negative impact on our results of operations.
Our operating results may fluctuate in the future, which may adversely affect our stock price.
Our operating results are subject to quarterly and annual fluctuations, which may adversely affect our stock price. Our historical results should not be viewed as indicative of our future performance due to these periodic fluctuations.
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Many factors may cause our revenue or earnings to fluctuate, including:
Changes in demand for our products—especially products, such as hardware, generating upfront revenue—due to fluctuations in demand for our customers’ products and due to constraints in our customers’ budgets for research and development and EDA products and services;
Changes in demand for our products due to customers reducing their expenditures, whether as a cost-cutting measure or a result of their insolvency or bankruptcy, and whether due to the COVID-19 pandemic, a sustained global semiconductor shortage or other reasons;
Product competition in the EDA industry, which can change rapidly due to industry or customer consolidation and technological innovation;
Our ability to innovate and introduce new products and services or effectively integrate products and technologies that we acquire;
Failures or delays in completing sales due to our lengthy sales cycle, which often includes a substantial customer evaluation and approval process because of the complexity of our products and services;
Our ability to implement effective cost control measures;
Our dependence on a relatively small number of large customers, and on such customers continuing to renew licenses and purchase additional products from us, for a large portion of our revenue;
Changes to the amount, composition and valuation of, and any impairments to or write-offs of, our inventory;
Changes in the mix of our products sold, as increased sales of our products with lower gross margins, such as our hardware products, may reduce our overall margins;
Expenses related to our acquisition and integration of businesses and technologies;
Changes in tax rules, as well as changes to our effective tax rate, including the tax effects of infrequent or unusual transactions and tax audit settlements;
Delays, increased costs or quality issues resulting from our reliance on third parties to manufacture our hardware products, which includes a sole supplier for certain hardware components;
Natural variability in the timing of IP drawdowns, which can be difficult to predict;
General economic and political conditions that affect the semiconductor and electronics industries, such as disruptions to international trade relationships, including tariffs, export licenses, or other trade barriers affecting our or our suppliers’ products, as well as impacts due to the COVID-19 pandemic; and
Changes in accounting standards, which may impact the way we recognize our revenue and costs and impact our earnings.
The timing of revenue recognition may also cause our revenue and earnings to fluctuate. The timing of revenue recognition is affected by factors that include:
Cancellations or changes in levels of orders or the mix between upfront products revenue and time-based products revenue;
Delay of one or more orders for a particular period, particularly orders generating upfront products revenue, such as hardware;
Delay in the completion of professional services projects that require significant modification or customization and are accounted for using the percentage of completion method;
Delay in the completion and delivery of IP products in development as to which customers have paid for early access;
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Customer contract amendments or renewals that provide discounts or defer revenue to later periods; and
The levels of our hardware and IP revenues, which are recognized upfront and are primarily dependent upon our ability to provide the latest technology and meet customer requirements.
These factors, or any other factors or risks discussed herein, could negatively impact our revenue or earnings and cause our stock price to decline. Additionally, our results may fail to meet or exceed the expectations of securities analysts and investors, or such analysts may change their recommendation regarding our stock, which could cause our stock price to decline. Our stock price has been, and may continue to be, volatile, which may make it more difficult for our stockholders to sell their shares at a time or a price that is favorable to them.
Cybersecurity threats or other security breaches could compromise sensitive information belonging to us or our customers and could harm our business and our reputation, particularly that of our security testing solutions.
We store sensitive data, including intellectual property, our proprietary business information and that of our customers, and confidential employee information, in our data centers, on our networks or on the cloud. Despite our security measures, our information technology and infrastructure may be vulnerable to attacks by hackers or breached due to employee error, malfeasance or other disruptions that could result in unauthorized disclosure or loss of sensitive information. As a result of the COVID-19 pandemic and shelter-in-place orders, most of our employees in affected areas are working remotely, which magnifies the importance of the integrity of our remote access security measures.
For example, we discovered unauthorized third-party access to our products and product license files hosted on our SolvNet Plus customer license and product delivery system in 2015. While we identified and remediated the incident, it is possible that our security measures may be circumvented again in the future, and any such breach could harm our business and reputation. The techniques used to obtain unauthorized access to networks, or to sabotage systems, change frequently and generally are not recognized until launched against a target. We may be unable to anticipate these techniques or to implement adequate preventative measures. Furthermore, in the operation of our business we also use third-party vendors that store certain sensitive data, including confidential information about our employees, and these third parties are subject to their own cybersecurity threats. While our standard vendor terms and conditions include provisions requiring the use of appropriate security measures to prevent unauthorized use or disclosure of our data, as well as other safeguards, a breach may still occur. In addition, if we select a vendor that uses cloud storage of information as part of their service or product offerings, or if we are selected as a vendor for our cloud-based solutions, our proprietary information could be misappropriated by third parties despite our attempts to validate the security of such services. Any security breach of our own or a third-party vendor’s systems could cause us to be non-compliant with applicable laws or regulations, subject us to legal claims or proceedings, disrupt our operations, damage our reputation, and cause a loss of confidence in our products and services, any of which could adversely affect our business.
Our software products, our hosted solutions as well as our software security and quality testing solutions, may also be vulnerable to attacks, including traditional computer hackers, malicious code (such as viruses and worms), distributed denial-of-service attacks, sophisticated attacks conducted or sponsored by nation-states, advanced persistent threat intrusions, ransomware and other malware. An attack could disrupt the proper functioning of our software, cause errors in the output of our customers’ work, allow unauthorized access to our or our customers’ proprietary information or cause other destructive outcomes.
We also offer software security and quality testing solutions. If we fail to identify new and increasingly sophisticated methods of cyber attacks, or fail to invest sufficient resources in research and development regarding new threat vectors, our security testing products and services may fail to detect vulnerabilities in our customers’ software code. An actual or perceived failure to identify security flaws may harm the perceived reliability of our security testing products and services, and could result in a loss of customers or sales, or an increased cost to remedy a problem. Furthermore, our growth and recent acquisitions in the software security and quality testing space may increase our visibility as a security-focused company and may make us a more attractive target for attacks on our own information technology infrastructure. As a result, if any of the foregoing were to occur, we could experience negative publicity and our reputation could suffer, customers could stop buying our products, we could face lawsuits and potential liability, and our financial performance could be negatively impacted.
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If we fail to protect our proprietary technology, our business will be harmed.
Our success depends in part upon protecting our proprietary technology. Our efforts to protect our technology may be costly and unsuccessful. We rely on agreements with customers, employees and other third-parties as well as intellectual property laws worldwide to protect our proprietary technology. These agreements may be breached, and we may not have adequate remedies for any breach. Additionally, despite our measures to prevent piracy, other parties may attempt to illegally copy or use our products, which could result in lost revenue.revenue if their efforts are successful. Some foreign countries do not currently provide effective legal protection for intellectual property and our ability to prevent the unauthorized use of our products in those countries is therefore limited. Our trade secrets may also be stolen, otherwise become known, or be independently developed by competitors.
WeFrom time to time, we may need to commence litigation or other legal proceedings in order to:

Assert claims of infringement of our intellectual property;
Defend our products from piracy;
Protect our trade secrets or know-how; or
Determine the enforceability, scope and validity of the propriety rights of others.
If we do not obtain or maintain appropriate patent, copyright or trade secret protection, for any reason, or cannot fully defend our intellectual property rights in certain jurisdictions, our business and operating results would be harmed. In addition, intellectual property litigation is lengthy, expensive and uncertain. Legal fees related to such litigation will increase our operating expenses and may reduce our net income.
We may not be able to realize the potential financial or strategic benefits of the acquisitions we complete, or find suitable target businesses and technology to acquire, which could hurt our ability to grow our business, develop new products or sell our products.
Acquisitions and strategic investments are an important part of our growth strategy. We have completed a significant number of acquisitions in recent years. We expect to make additional acquisitions and strategic investments in the future, but we may not find suitable acquisition or investment targets or we may not be able to consummate desired acquisitions or investments due to unfavorable credit markets, commercially unacceptable terms or other risks, which could harm our operating results. Acquisitions and strategic investments are difficult, time-consuming, and pose a number of risks, including:
Potential negative impact on our earnings per share;
Failure of acquired products to achieve projected sales;
Problems in integrating the acquired products with our products;
Difficulties entering into new markets in which we are not experienced or where competitors may have stronger positions;
Potential downward pressure on operating margins due to lower operating margins of acquired businesses, increased headcount costs and other expenses associated with adding and supporting new products;
Difficulties in retaining and integrating key employees;
Substantial reductions of our cash resources and/or the incurrence of debt;
Failure to realize expected synergies or cost savings;
Difficulties in integrating or expanding sales, marketing and distribution functions and administrative systems, including information technology and human resources systems;
Dilution of our current stockholders through the issuance of common stock as part of the merger consideration;
Difficulties in negotiating, governing and realizing value from strategic investments;
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Assumption of unknown liabilities, including tax, litigation, cybersecurity and commercial-related risks, and the related expenses and diversion of resources;
Incurrence of costs and use of additional resources to remedy issues identified prior to or after an acquisition;
Disruption of ongoing business operations, including diversion of management’s attention and uncertainty for employees and customers, particularly during the post-acquisition integration process;
Potential negative impacts on our relationships with customers, distributors and business partners;
Exposure to new operational risks, regulations, and business customs to the extent acquired businesses are located in regions where we are not currently conducting business;
The need to implement controls, processes and policies appropriate for a public company at acquired companies that may have previously lacked such controls, processes and policies in areas such as cybersecurity, information technology, privacy and more;
Negative impact on our net income resulting from acquisition or investment-related costs; and
Requirements imposed by government regulators in connection with their review of an acquisition, including required divestitures or restrictions on the conduct of our business or the acquired business.
If we do not manage the foregoing risks, the acquisitions or strategic investments that we complete may have an adverse effect on our business and financial condition.
We pursue new product and technology initiatives from time to time, and if we fail to successfully carry out these initiatives, our business, financial condition, or results of operations could be adversely impacted.
As part of the evolution of our business, we have made substantial investments to develop new products and enhancements to existing products through our acquisitions and research and development efforts. If we are unable to anticipate technological changes in our industry by introducing new or enhanced products in a timely and cost-effective manner, or if we fail to introduce products that meet market demand, we may lose our competitive position, our products may become obsolete, and our business, financial condition or results of operations could be adversely affected.
Additionally, from time to time, we may invest in efforts to expand into adjacent markets, including, for example, software security and quality testing solutions. Although we believe these solutions are complementary to our EDA tools, we have less experience and a more limited operating history in offering software quality testing and security products and services, and our efforts in this area may not be successful. Our success in these and other new markets depends on a variety of factors, including the following:
Our ability to attract a new customer base, including in industries in which we have less experience;
Our successful development of new sales and marketing strategies to meet customer requirements;
Our ability to accurately predict, prepare for and promptly respond to technological developments in new fields, including, in the case of our software quality testing and security tools and services, identifying new security vulnerabilities in software code and ensuring support for a growing number of programming languages;
Our ability to compete with new and existing competitors in these new industries, many of which may have more financial resources, industry experience, brand recognition, relevant intellectual property rights or established customer relationships than we currently do, and could include free and open source solutions that provide similar software quality testing and security tools without fees;
Our ability to skillfully balance our investment in adjacent markets with investment in our existing products and services;
Our ability to attract and retain employees with expertise in new fields;
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Our ability to sell and support consulting services at profitable margins; and
Our ability to manage our revenue model in connection with hybrid sales of licensed products and consulting services.
Difficulties in any of our new product development efforts or our efforts to enter adjacent markets, including delays or disruptions as a result of the COVID-19 pandemic, could adversely affect our operating results and financial condition.
We may have to invest more resources in research and development than anticipated, which could increase our operating expenses and negatively affect our operating results.

We devote substantial resources to research and development. New competitors, technological advances in the semiconductor industry or by competitors, our acquisitions, our entry into new markets or other competitive factors may require us to invest significantly greater resources than we anticipate. If we are required to invest significantly greater resources than anticipated without a corresponding increase in revenue, our operating results could decline. If customers reduce or slow the need to upgrade or enhance their product offerings, our revenue and operating results may be adversely affected. Additionally, our periodic research and development expenses may be independent of our level of revenue, which could negatively impact our financial results. New products may not adequately address the changing needs of the marketplace. New software products may contain undetected errors, defects, or vulnerabilities. The occurrence of any defects or errors in our products could result in lost or delayed market acceptance and sales of our products, delays in payment by customers, loss of customers or market share, product returns, damage to our reputation, diversion of our resources, increased service and warranty expenses or financial concessions, increased insurance costs and potential liability for damages. Finally, there can be no guarantee that our research and development investments will result in products that create additional revenue.
Product errors or defects could expose us to liability and harm our reputation and we could lose market share.
Software products frequently contain errors or defects, especially when first introduced, when new versions are released, or when integrated with technologies developed by acquired companies. Product errors, including those resulting from third-party suppliers, could affect the performance or interoperability of our products, could delay the development or release of new products or new versions of products and could adversely affect market acceptance or perception of our products. In addition, any allegations of manufacturability issues resulting from use of our IP products could, even if untrue, adversely affect our reputation and our customers’ willingness to license IP products from us. Any such errors or delays in releasing new products or new versions of products or allegations of unsatisfactory performance could cause us to lose customers, increase our service costs, subject us to liability for damages and divert our resources from other tasks, any one of which could materially and adversely affect our business and operating results.
Our hardware products, which primarily consist of prototyping and emulation systems, subject us to distinct risks.
The growth in sales of our hardware products subjectsubjects us to several increased risks, including:

Increased dependence on a sole supplier for certain hardware components, which may reduce our control over product quality and pricing and may lead to delays in production and delivery of our hardware products, should our supplier fail to deliver sufficient quantities of acceptable components in a timely fashion;
Increasingly variable revenue and decreasingly accurateless predictable revenue forecasts, due to fluctuations in hardware revenue, which is recognized upfront upon shipment, as opposed to most sales of software products for which revenue is recognized over time;
OverallPotential reductions in overall margins, as the gross margin for our hardware products is typically lower than those of our software products;
Longer sales cycles, which create risks of insufficient, excess or obsolete inventory and variations in inventory valuation, which can adversely affect our operating results;
Decreases or delays in customer purchases in favor of next-generation releases, which may lead to excess or obsolete inventory or require us to discount our older hardware products; and
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Longer warranty periods than those of our software products, which may require us to replace hardware components under warranty, thus increasing our costs.costs; and
Changes in United States Generally Accepted Accounting Principles (U.S. GAAP) could adversely affectPotential impacts on our reported financial resultssupply chain, including due to the effects of the COVID-19 pandemic and a sustained global semiconductor shortage.
If we fail to timely recruit and retain senior management and key employees globally, our business may require significant changes to our internal accounting systems and processes.be harmed.
We prepare our consolidated financial statementsdepend in conformity with U.S. GAAP. These principles are subject to interpretation bylarge part upon the Financial Accounting Standards Board (FASB), the Securities and Exchange Commission (SEC) and various bodies formed to interpret and create appropriate accounting principles and guidance.
The FASB is currently working together with the International Accounting Standards Board (IASB) to converge certain accounting principles and facilitate more comparable financial reporting between companies that are required to follow U.S. GAAP and those that are required to follow International Financial Reporting Standards (IFRS). In connection with this initiative, the FASB issued new accounting standards for revenue recognition and accounting for leases. For information regarding new accounting standards, please refer to Part II, Item 7, Management’s Discussion and Analysisservices of Financial Condition and Results of Operations-Overview-Effect of New Accounting Pronouncements Not Yet Adopted. These and other such standards may result in different accounting principles, which may significantly impact our reported results or could result in volatilitykey members of our financial results. In addition,senior management team to drive our future success. If we may needwere to significantly changelose the services of any member of our customer and vendor contracts, accounting systems and processes. The cost and effect of these changes may adversely impactsenior management team, our results of operations.

Our resultsbusiness could be adversely affected byaffected.
To be successful, we must also attract and retain key employees who join us organically and through acquisitions. There are a changelimited number of qualified engineers, and competition for these individuals and other qualified employees is intense and has increased globally, including in our effective tax ratemajor markets such as a result of tax law changes, changes in our geographical earnings mix, unfavorable government reviews of our tax returns, material differences between our forecasted and actual annual effective tax rates, or by evolving enforcement practices.
Asia. Our operationsemployees are subject to income and transaction taxes in the United States and in multiple foreign jurisdictions, with a significant amount of our foreign earnings generatedoften recruited aggressively by our subsidiaries organized in Irelandcompetitors and Hungary. Because we have a wide range of statutory tax rates in the multiple jurisdictions in which we operate, any changes in our geographical earnings mix, including those resulting from our intercompany transfer pricing or from changes in the rules governing transfer pricing,customers worldwide. Any failure to recruit and retain key employees could materially impact our effective tax rate. Furthermore, a change in the tax law of the jurisdictions where we do business, including an increase in tax rates or an adverse change in the treatment of an item of income or expense, could result in a material increase in our tax expense and impact our financial position and cash flows. In addition, U.S. income taxes and foreign withholding taxes have not been provided for on undistributed earnings of certain of our non-U.S. subsidiaries to the extent such earnings are considered to be indefinitely reinvested in the operations of those subsidiaries. If our intentions regarding reinvestment of such earnings change, then our income tax expense could increase. In fiscal 2017, we repatriated $825 million of undistributed foreign earnings in anticipation of U.S. corporate tax reform.
In the U.S., a number of proposals for broad reform of the corporate tax system are under evaluation by various legislative and administrative bodies. It is not possible to accurately determine the overall impact of such proposals on our effective tax rate or balance sheet at this time. Proposed changes in corporate tax rates, the taxation of foreign earnings and the deductibility of expenses could have a material impact on the recoverability of our deferred tax assets, could result in significant one-time charges in the period in which tax reform is enacted, or could result in increases to our future U.S. tax expense. Furthermore, proposed changes to the taxation of undistributed foreign earnings could change our future intentions regarding reinvestment of such earnings.
Further changes in the tax laws of foreign jurisdictions could arise as a result of the base erosion and profit shifting (BEPS) project undertaken by the Organisation for Economic Co-operation and Development (OECD), which represents a coalition of member countries. On October 5, 2015, the OECD issued a series of reports recommending changes to numerous long-standing tax principles. Many of these recommendations are being adopted by various countries in which we do business and may increase our taxes in these countries. In addition, the Republic of Ireland has changed its corporate residence rules and will require changes to our tax position by January 1, 2021. On July 26, 2016, Hungary amended its IP regime to bring it in line with the OECD BEPS Project and the changes were effective in fiscal 2017. Changes to these and other areas in relation to international tax reform could increase uncertainty in the corporate tax area and may adversely affect our provision for income taxes.
Our income and non-income tax filings are subject to review or audit by the Internal Revenue Service and state, local and foreign taxing authorities. We exercise significant judgment in determining our worldwide provision for income taxes and, in the ordinary course ofharm our business, thereresults of operations and financial condition, and our recruiting and retention efforts may be transactionsnegatively impacted by restrictions on travel and calculations where the ultimate tax determination is uncertain. We are also liable for potential tax liabilities of businesses we acquire. Although we believe our tax estimates are reasonable, the final determination in an audit may be materially different than the treatment reflected in our historical income tax provisions and accruals. An assessment of additional taxes because of an audit could adversely affect our income tax provision and net income in the periods for which that determination is made.

In July 2017, the Hungarian Tax Authority (HTA) issued a final assessment against our Hungarian subsidiary (Synopsys Hungary) for fiscal years 2011 through 2013. The HTA has disallowed Synopsys Hungary's tax positions taken during these years regarding the timing of the deduction of research expenses and applied withholding taxes on certain payments made to affiliates, resulting in an aggregate tax assessment of approximately $47 million and interest and penalties of over $18 million (at current exchange rates). In addition, if the treatment of research expense were applied to fiscal years after 2014, Synopsys Hungary could lose approximately $18 million in tax benefit in tax periods subsequent to fiscal 2017business activity due to the enacted reductionCOVID-19 pandemic. Additionally, efforts to recruit and retain qualified employees could be costly and negatively impact our operating expenses.
We issue equity awards from employee equity plans as a key component of Hungary's corporate income tax rate.our overall compensation. We face pressure to limit the use of such equity-based compensation due to its dilutive effect on stockholders. If the assessment is ultimately canceled, the Hungarian statutory accounting treatment could have an indirect adverse impact on certain tax benefitswe are unable to grant attractive equity-based packages in the year of the cancellation.

We are also under examination by the tax authorities in certain other jurisdictions. No material assessments have been proposed in these examinations.
We maintain significant deferred tax assets related to federal research credits. Ourfuture, it could limit our ability to use these credits is dependent upon having sufficient future taxable income in the relevant jurisdiction. Changes in our forecasts of

future income could result in an adjustment to the deferred tax assetattract and a related charge to earnings that could materially affect our financial results. In addition, a change in corporate tax rates could have a material impact on the recoverability of our deferred tax assets.
Liquidity requirements in our U.S. operations may require us to raise cash in uncertain capital markets, which could negatively affect our financial condition.
As of October 31, 2017, approximately 47% of our worldwide cash, cash equivalents and short-term investments balance is held by our international subsidiaries. At present, such foreign funds are considered to be indefinitely reinvested abroad, and to the extent they derive from foreign earnings we have indefinitely reinvested in our foreign operations. We intend to meet our U.S. cash spending needs primarily through our existing U.S. cash balances, ongoing U.S. cash flows, and available credit under our term loan and revolving credit facilities. As of October 31, 2017, we had outstanding debt of $144.0 million, net of an immaterial amount of debt issuance costs, under our $150.0 million term loan facility, and no outstanding debt under our $650.0 million revolving credit facility. Should our cash spending needs in the U.S. rise and exceed these liquidity sources, we may be required to incur additional debt at higher than anticipated interest rates or access other funding sources, which could negatively affect our results of operations, capital structure or the market price of our common stock.retain key employees.
From time to time we are subject to claims that our products infringe on third-party intellectual property rights.
We are from time to time subject to claims alleging our infringement of third-party intellectual property rights, including patent rights. For example, we and Emulation & Verification Engineering S.A. (EVE), a company we acquired in October 2012, are party to ongoing patent infringement lawsuits involving Mentor Graphics Corporation. The jury in one of the lawsuits returned a verdict of approximately $36 million in assessed damages against us for patent infringement, and the court in the lawsuit has entered an injunction prohibiting certain sales activities relating to the features found by the jury to infringe. We have appealed from the injunction and the final judgment in the case. Further information regarding the EVE lawsuits is contained in Part I, Item 3, Legal Proceedings and Note 7 in the Notes to Consolidated Financial Statements under the heading “Legal Proceedings.” In addition, underUnder our customer agreements and other license agreements, we agree in many cases to indemnify our customers if our products infringe a third party’s intellectual property rights. Infringement claims can result in costly and time-consuming litigation, require us to enter into royalty arrangements, subject us to damages or injunctions restricting our sale of products, invalidate a patent or family of patents, require us to refund license fees to our customers or to forgo future payments or require us to redesign certain of our products, any one of which could harm our business and operating results.
We may be subject to litigation proceedings that could harm our business.
We may be subject to legal claims or regulatory matters involving stockholder, consumer, employment, customer, supplier, competition, and other issues on a global basis. Litigation is subject to inherent uncertainties, and unfavorable rulings could occur. An unfavorable ruling could include monetary damages or, in cases for which injunctive relief is sought, an injunction prohibiting us from manufacturing or selling one or more products. If we were to receive an unfavorable ruling on a matter, our business and results of operations could be materially harmed. Further information regarding certain of these matters is contained in Part I, Item 3, Legal Proceedings.
Product errors or defects could expose us to liability and harm our reputation and we could lose market share.
Software products frequently contain errors or defects, especially when first introduced, when new versions are released, or when integrated with technologies developed by acquired companies. Product errors could affect the performance or interoperability of our products, could delay the development or release of new products or new versions of products and could adversely affect market acceptance or perception of our products. In addition, allegations of manufacturability issues resulting from use of our IP products could, even if untrue, adversely affect our reputation and our customers’ willingness to license IP products from us. Any such errors or delays in releasing new products or new versions of products or allegations of unsatisfactory performance could cause us to lose customers, increase our service costs, subject us to liability for damages and divert our resources from other tasks, any one of which could materially and adversely affect our business and operating results.

We may not be able to continue to obtain licenses to third-party software and intellectual property on reasonable terms or at all, which may disrupt our business and harm our financial results.
We license third-party software and other intellectual property for use in product research and development and, in several instances, for inclusion in our products. We also license third-party software, including the software of our competitors, to test the interoperability of our products with other industry products and in connection with our professional services. These licenses may need to be renegotiated or renewed from time to time, or we may need to obtain new licenses in the future. Third parties may stop adequately supporting or maintaining their technology, or they or their technology may be acquired by our competitors. If we are unable to obtain licenses to these third-party software and intellectual property on reasonable terms or at all, we may not be able to sell the affected products, our customers’ use of the products may be interrupted, or our product development processes and professional services offerings may be disrupted, which could in turn harm our financial results, our customers, and our reputation.
The inclusion of third-party intellectual property in our products can also subject us and our customers to infringement claims. Although we seek to mitigate this risk contractually, we may not be able to sufficiently limit our potential liability. Regardless of outcome, infringement claims may require us to use significant resources and may divert management'smanagement’s attention.
Some of our products and technology, including those we acquire, may include software licensed under open source licenses. Some open source licenses could require us, under certain circumstances, to make available or grant licenses to any modifications or derivative works we create based on the open source software. Although we have tools and processes to monitor and restrict our use of open source software, the risks associated with open
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source usage may not be eliminated and may, if not properly addressed, result in unanticipated obligations that harm our business.
If we fail to timely recruit and retain senior management and key employees, our business may be harmed.
We depend in large part upon the services of key members of our senior management team to drive our future success. If we were to lose the services of any member of our senior management team, our business could be adversely affected. To be successful, we must also attract and retain key technical, sales and managerial employees, including those who join us in connection with acquisitions. There are a limited number of qualified EDA and IC design engineers, and competition for these individuals is intense and has increased. Our employees are often recruited aggressively by our competitors and our customers. Any failure to recruit and retain key technical, sales and managerial employees could harm our business, results of operations and financial condition. Additionally, efforts to recruit and retain qualified employees could be costly and negatively impact our operating expenses.
We issue stock options and restricted stock units and maintain employee stock purchase plans as a key component of our overall compensation. We face pressure to limit the use of such equity-based compensation due to its dilutive effect on stockholders. If we are unable to grant attractive equity-based packages in the future, it could limit our ability to attract and retain key employees.
Our business is subject to evolving corporate governance and public disclosure regulations that have increased both our compliance costs and the risk of noncompliance, which could have an adverse effect on our stock price.
We are subject to changing rules and regulations promulgated by a number of governmental and self-regulatory organizations, including the SEC, the NASDAQ Stock Market, and the FASB. These rules and regulations continue to evolve in scope and complexity and many new requirements have been created in response to laws enacted by Congress, making compliance more difficult and uncertain. For example, our efforts to comply with the Dodd-Frank Wall Street Reform and Consumer Protection Act and other regulations, including "conflict minerals" regulations affecting our hardware products, have resulted in, and are likely to continue to result in, increased general and administrative expenses and a diversion of management time and attention from revenue-generating activities to compliance activities.
There are inherent limitations on the effectiveness of our controls and compliance programs.
Regardless of how well designed and operated it is, a control system can provide only reasonable assurance that its objectives will be met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues

and instances of fraud, if any, have been detected. Moreover, although we have implemented compliance programs and compliance training for employees, such measures may not prevent our employees, contractors or agents from breaching or circumventing our policies or violating applicable laws and regulations. Failure of our control systems and compliance programs to prevent error, fraud or violations of law could have a material adverse impact on our business.
Our investment portfolio may be impaired by any deterioration of capital markets.
From time to time, our cash equivalent and short-term investment portfolio consists of investment-grade U.S. government agency securities, asset-backed securities, corporate debt securities, commercial paper, certificates of deposit, money market funds, municipal securities and other securities, and bank deposits. Our investment portfolio carries both interest rate risk and credit risk. Fixed rate debt securities may have their market value adversely impacted due to a credit downgrade or a rise in interest rates, while floating rate securities may produce less income than expected if interest rates fall or a credit downgrade occurs. As a result of capital pressures on certain banks, especially in Europe, and the continuing low interest rate environment, some of our financial instruments may become impaired.
Our future investment income may fall short of expectations due to changes in interest rates or if the decline in fair value of investments held by us is judged to be other-than-temporary. In addition, we may suffer losses in principal if we are forced to sell securities that decline in market value due to changes in the issuer’s credit quality or changes in interest rates.
In preparing our financial statements we make certain assumptions, judgments and estimates that affect amounts reported in our consolidated financial statements, which, if not accurate, may significantly impact our financial results.
We make assumptions, judgments and estimates for a number of items, including the fair value of financial instruments, goodwill, long-lived assets and other intangible assets, the realizability of deferred tax assets, the recognition of revenue and the fair value of stock awards. We also make assumptions, judgments and estimates in determining the accruals for employee-related liabilities, including commissions and variable compensation, and in determining the accruals for uncertain tax positions, valuation allowances on deferred tax assets, allowances for doubtful accounts, and legal contingencies. These assumptions, judgments and estimates are drawn from historical experience and various other factors that we believe are reasonable under the circumstances as of the date of the consolidated financial statements. Actual results could differ materially from our estimates, and such differences could significantly impact our financial results. In addition, we cannot predict the full impact of the COVID-19 pandemic on our business operations. The uncertainty affects management’s estimates and assumptions, which could result in greater variability in a variety of areas that depend on these estimates and assumptions.
Liquidity requirements in our U.S. operations may require us to raise cash in uncertain capital markets, which could negatively affect our financial condition.
As of October 31, 2021, approximately 51% of our worldwide cash and cash equivalents balance is held by our international subsidiaries. We intend to meet our U.S. cash spending needs primarily through our existing U.S. cash balances, ongoing U.S. cash flows, and available credit under our term loan and revolving credit facilities. Should our cash spending needs in the U.S. rise and exceed these liquidity sources, due to the impact of the COVID-19 pandemic or otherwise, we may be required to incur additional debt at higher than anticipated interest rates or access other funding sources, which could negatively affect our results of operations, capital structure or the market price of our common stock.
Legal and Regulatory Risks
Our results could be adversely affected by a change in our effective tax rate as a result of tax law changes and related new or revised guidance and regulations, changes in our geographical earnings mix, unfavorable government reviews of our tax returns, material differences between our forecasted and actual annual effective tax rates, future changes to our tax structure, or by evolving enforcement practices.
Our operations are subject to income and transaction taxes in the United States and in multiple foreign jurisdictions. Because we have a wide range of statutory tax rates in the multiple jurisdictions in which we operate, any changes in our geographical earnings mix, including those resulting from our intercompany transfer pricing or from changes in the rules governing transfer pricing, could materially impact our effective tax rate. Furthermore, a change in the tax law of the jurisdictions where we do business, including an increase in tax rates, an adverse change in the treatment of an item of income or expense or limitations on our ability to utilize tax credits, could result in a material increase in our tax expense and impact our financial position and cash flows. For example, in response to the fiscal impact of the COVID-19 pandemic, the State of California enacted legislation on June 29, 2020 that would suspend the use of certain corporate research and development tax credits for a three-year period beginning in our fiscal 2021, which resulted in an impact in our tax expense.
On December 22, 2017, the President of the United States signed into law the Tax Cuts and Jobs Act (Tax Act), which significantly changed prior U.S. tax law and includes numerous provisions that affect our business. The Tax Act includes certain new provisions that began to affect our income from foreign operations in the first quarter of fiscal 2019. Further, President Biden has proposed The American Jobs Act and various bills have been introduced by members of the House of Representatives and the Senate proposing changes to the corporate tax rate as well as other provisions. On August 9, 2021 the Senate released the fiscal 2022 budget resolution with reconciliation instructions for a potential $3.5 trillion spending bill.The House Ways and Means Committee introduced a $3.5 trillion spending bill on September 12, 2021 which proposes to raise the corporate rate to 26.5% and amend certain provisions of the Tax Act and on October 28, 2021, the House Rules Committee introduced a revised bill which maintains the current corporate tax rate at 21%, while introducing a new corporate minimum tax of 15% of adjusted financial statement income as well as other modifications to the Tax Act, which if enacted may materially affect our financial position. Accounting for certain of these provisions requires the exercise of significant judgment.
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Further changes in the tax laws of foreign jurisdictions could arise as a result of the Programme of Work to Develop a Concensus Solution to the Tax Challenges Arising from the Digitalization of the Economy (Programme of Work) agreement by the Organisation for Economic Co-operation and Development (OECD), which represents a coalition of member countries, including the United States. The Programme of Work is evaluating potential changes to numerous long-standing tax principles. On October 8, 2021 the OECD announced the OECD/G20 Inclusive Framework on Base Erosion and Profit Shifting (Framework) which agreed to a two-pillar solution to address tax challenges arising from the digitalization of the economy.Pillar one provides a framework for the reallocation of certain residual profits of multinational enterprises to market jurisdictions using a revenue-based allocation key to source to the end market jurisdictions where goods or services are used or consumed. Pillar two consists of two interrelated rules referred to as Global Anti-Base Erosion Rules, which operate to impose a minimum tax rate of 15% calculated on a jurisdictional basis.The Framework calls for law enactment by OECD and G20 members in 2022 to take effect in 2023 and 2024. These changes, when enacted, by various countries in which we do business may increase our taxes in these countries. Changes to these and other areas in relation to international tax reform, including future actions taken by foreign governments in response to the Tax Act, could increase uncertainty and may adversely affect our tax rate and cash flow in future years.
Our income and non-income tax filings are subject to review or audit by the Internal Revenue Service and state, local and foreign taxing authorities. We exercise significant judgment in determining our worldwide provision for income taxes and, in the ordinary course of our business, there may be transactions and calculations where the ultimate tax determination is uncertain. We may also be liable for potential tax liabilities of businesses we acquire, including future taxes payable related to the transition tax on earnings from their foreign operations, if any, under the Tax Act. Although we believe our tax estimates are reasonable, the final determination in an audit may be materially different than the treatment reflected in our historical income tax provisions and accruals. An assessment of additional taxes because of an audit could adversely affect our income tax provision and net income in the periods for which that determination is made.
In July 2017, the Hungarian Tax Authority (HTA) issued a final assessment against our Hungarian subsidiary (Synopsys Hungary) for fiscal years 2011 through 2013. The HTA has applied withholding taxes on certain payments made to affiliates, resulting in an aggregate tax assessment of approximately $25.0 million and interest and penalties of $11.0 million. We paid the tax assessments, penalties and interest in the first quarter of fiscal 2018 as required by law and recorded these amounts as prepaid taxes on our balance sheet. On April 30, 2019, the Hungarian Administrative Court (the Administrative Court) ruled against Synopsys Hungary. We filed an appeal with the Hungarian Supreme Court on July 5, 2019. The Hungarian Supreme Court heard our appeal on November 12, 2020 and remanded the case to the Administrative Court for further proceedings. We received the Hungarian Supreme Court’s written decision in the first quarter of fiscal 2021. On April 27, 2021, the Administrative Court reheard the case and again ruled against Synopsys Hungary. We received the written opinion from the Administrative Court on May 19, 2021 and filed an appeal with the Hungarian Supreme Court on July 19, 2021. The hearing for the appeal is scheduled for January 27, 2022. For further discussion of the Hungary audit, see Note 13 of Notes to Consolidated Financial Statements under the heading "Non-U.S. Examinations."
We maintain significant deferred tax assets related to certain tax credits. Our ability to use these credits is dependent upon having sufficient future taxable income in the relevant jurisdiction and in the case of foreign tax credits, how such credits are treated under current and potential future tax law. Changes to the Tax Act and changes in our forecasts of future income could result in an adjustment to the deferred tax asset and a related charge to earnings that could materially affect our financial results.
Changes in United States Generally Accepted Accounting Principles (U.S. GAAP) could adversely affect our financial results and may require significant changes to our internal accounting systems and processes.
We prepare our consolidated financial statements in conformity with U.S. GAAP. These principles are subject to interpretation by the Financial Accounting Standards Board (FASB), the SEC and various bodies formed to interpret and create appropriate accounting principles and guidance.
The FASB periodically issues new accounting standards on a variety of topics, including, for example, revenue recognition and accounting for leases. These and other such standards generally result in different accounting principles, which may significantly impact our reported results or could result in variability of our financial results. For example, the new revenue recognition standard became applicable to us at the beginning of fiscal 2019 and there is an increased volatility in our total revenue with less predictability than under the prior accounting standard.
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We may be subject to litigation proceedings that could harm our business.
We may be subject to legal claims or regulatory matters involving stockholder, consumer, employment, customer, supplier, competition and other issues on a global basis. Litigation is subject to inherent uncertainties, and unfavorable rulings could occur. An unfavorable ruling could include monetary damages or, in cases for which injunctive relief is sought, an injunction prohibiting us from manufacturing or selling one or more products. If we were to receive an unfavorable ruling on a matter, our business and results of operations could be materially harmed. Further information regarding certain of these matters is contained in Part I, Item 3, Legal Proceedings.
Our business is subject to evolving corporate governance and public disclosure regulations that have increased both our compliance costs and the risk of noncompliance, which could have an adverse effect on our stock price.
We are subject to changing rules and regulations promulgated by a number of governmental and self-regulatory organizations, including the SEC, the Nasdaq Stock Market and the FASB. These rules and regulations continue to evolve in scope and complexity and many new requirements have been created in response to laws enacted by Congress, making compliance more difficult and uncertain. For example, our efforts to comply with the Dodd-Frank Wall Street Reform and Consumer Protection Act and other regulations, including “conflict minerals” regulations affecting our hardware products, have resulted in, and are likely to continue to result in, increased general and administrative expenses and a diversion of management time and attention from revenue-generating activities to compliance activities.
There are inherent limitations on the effectiveness of our controls and compliance programs.
Regardless of how well designed and operated it is, a control system can provide only reasonable assurance that its objectives will be met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, have been detected. Moreover, although we have implemented compliance programs and compliance training for employees, such measures may not prevent our employees, contractors or agents from breaching or circumventing our policies or violating applicable laws and regulations. Failure of our control systems and compliance programs to prevent error, fraud or violations of law could have a material adverse impact on our business.
Our investment portfolio may be impaired by any deterioration of capital markets.
From time to time, our cash equivalent and short-term investment portfolio consists of investment-grade U.S. government agency securities, asset-backed securities, corporate debt securities, commercial paper, certificates of deposit, money market funds, municipal securities and other securities and bank deposits. Our investment portfolio carries both interest rate risk and credit risk and may be negatively impacted by the economic effects of the COVID-19 pandemic. Fixed rate debt securities may have their market value adversely impacted due to a credit downgrade or a rise in interest rates, while floating rate securities may produce less income than expected if interest rates fall or a credit downgrade occurs. As a result of capital pressures on certain banks, especially in Europe, and the continuing low interest rate environment, some of our financial instruments may become impaired.
Our future investment income may fall short of expectations due to changes in interest rates or if the decline in fair value of investments held by us is judged to be other-than-temporary. In addition, we may suffer losses in principal if we are forced to sell securities that decline in market value due to changes in the issuer’s credit quality or changes in interest rates.
General Risks
Catastrophic events may disrupt our business and harm our operating results.

Due to the global nature of our business, our operating results may be negatively impacted by catastrophic events throughout the world. We rely on a global network of infrastructure applications, enterprise applications and technology systems for our development, marketing, operational, support and sales activities. A disruption or failure of these systems in the event of a major earthquake, fire, extreme temperatures, drought, flood, telecommunications failure, cybersecurity attack, terrorist attack, epidemic or pandemic (including the COVID-19 pandemic), or other catastrophic event or climate change-related risk could cause system interruptions, delays in our product development and loss of critical data and could prevent us from fulfilling our customers’ orders. In particular, our
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sales and infrastructure are vulnerable to regional or worldwide health conditions, including the effects of the outbreak of contagious diseases such as the COVID-19 pandemic. Moreover, our corporate headquarters, a significant portion of our research and development activities, our data centers, and certain other critical business operations are located in California, near major earthquake faults.faults and sites of recent historic wildfires. A catastrophic event that results in the destruction or disruption of our data centers or our critical business or information technology systems would severely affect our ability to conduct normal business operations and, as a result, our operating results would be adversely affectedaffected.

 Item 1B.     Unresolved Staff Comments
None.

 Item 2.     Properties
Our principal offices are located in two adjacent buildings in Mountain View, California and are leased through August 2030. The leased property consists of two adjacent buildings, which together provide approximately 341,000 square feet of available space. This space is leasedWe currently sublease one of the two buildings to a third party under a lease agreement that runs through August 2030, and weJuly 2024. We have two

options to extend the lease term, the first to extend the term by ten years, followed by a second option to extend by approximately nine additional years. We also lease approximately 238,000350,000 square feet of space in three separateadjacent buildings in Sunnyvale, California, with lease expiration dates ranging from September 2019 towhich we have leased through October 2019. We own one building in Sunnyvale, California with approximately 120,000 square feet of space.2031. These buildings in Mountain View and Sunnyvale are used for research and development, sales and support, marketing, and administrative activities.activities for both of our business segments.

Additionally, we own one building in Sunnyvale, California with approximately 120,000 square feet of space that was vacated in February 2020 and is currently leased to a third party under a lease agreement that runs through February 2031.
We currently lease 3331 other offices throughout the United States, and own 2two office buildings in Oregon, one of which is leased to a tenant.third party. These offices are used primarily for sales and support activities as well as research and development.development for both of our business segments.
International Facilities

We lease additional space for sales, service, and research and development activities for both of our business segments in approximately 2931 countries throughout the world, including 25,000 square feet in Dublin, Ireland for our international headquarters, as well as significant sites in Yerevan, Armenia, Bangalore, India, Shanghai and Shanghai,Wuhan, China. We own several buildings in Wuhan, China with approximately 551,000 square feet of combined space. In addition, we own two buildings in Hsinchu, Taiwan with approximately 212,000 square feet of combined space. In March 2021, we leased approximately 161,000 square feet of space in Shanghai, which we relocated to in August 2021.
We believe that our existing facilities, including both owned and leased properties, are in good condition and suitable for the current conduct of our business.

 Item 3.     Legal Proceedings
We are subject to routine legal proceedings, as well as demands, claims and threatened litigation that arise in the normal course of our business. The ultimate outcome of any litigation is often uncertain and unfavorable outcomes could have a negative impact on our results of operations and financial condition. Regardless of outcome, litigation can have an adverse impact on Synopsys because of the defense costs, diversion of management resources and other factors.
Mentor Patent Litigation
We are engaged in complex patent litigation with Mentor Graphics Corporation (Mentor) involving several actions in different forums. We succeeded toregularly review the litigation when we acquired Emulation & Verification Engineering S.A. (EVE) on October 4, 2012. Atstatus of each significant matter and assess its potential financial exposure. If the time of the acquisition, EVE and EVE-USA, Inc. (collectively, the EVE Parties) had been defendants in three patent infringement lawsuits filed by Mentor. Each lawsuit as well as subsequent lawsuits are further described below.
Background
As mentioned above, at the time of the acquisition, the EVE Parties had been defendants in three patent infringement lawsuits filed by Mentor. Mentor filed suit against the EVE Parties in federal district court in the District of Oregon on August 16, 2010 alleging that EVE’s ZeBu products infringed Mentor’s United States Patent No. 6,876,962. Mentor filed an additional suit in federal district court in the District of Oregon on August 17, 2012 alleging that EVE’s ZeBu products infringed Mentor’s United States Patent No. 6,947,882. Both cases sought damages and a permanent injunction. Mentor also filed a patent infringement lawsuit against Nihon EVE K.K. in Tokyo District Court in 2010 alleging that certain ZeBu products infringe Mentor’s Japanese Patent No. P3,588,324. The litigation matter in Japan no longer exists, as the Japan IP High Court affirmed the Tokyo District Court ruling that such products did not infringe Mentor's patent.
On September 27, 2012, Synopsyspotential loss from any claim or legal proceeding is considered probable and the EVE Parties filed an actionamount is estimable, we accrue a liability for declaratory relief against Mentor in federal district court in the Northern District of California, seeking a determinationestimated loss. Legal proceedings are inherently uncertain and as circumstances change, it is possible that Mentor’s United States Patents Nos. 6,009,531, 5,649,176, and 6,240,376, which were the subject of a patent infringement lawsuit filed by Mentor against EVE in 2006 and settled in the same year, are invalid and not infringed by EVE’s products. Mentor asserted patent infringement counterclaims in this action based on the same three patents and sought damages and a permanent injunction. In April 2013, this action was transferred to the federal district court in Oregon and consolidated with the two Mentor lawsuits in that district (the Oregon Action), as further described below.
The Oregon Action

After transfer of Synopsys' declaratory relief action to Oregon and consolidation of that action with Mentor’s 2010 and 2012 lawsuits, Synopsys asserted patent infringement counterclaims against Mentor based on Synopsys' United States Patents Nos. 6,132,109 and 7,069,526, seeking damages and a permanent injunction. After pre-trial summary judgment rulings in favor of both sides, the only patent remaining at issue in the Oregon Action was Mentor's ‘376 patent.
The Oregon Action went to trial on the remaining Mentor patent, and a jury reached a verdict on October 10, 2014 finding that certain features of the ZeBu products infringed the ‘376 patent and assessing damages of approximately $36 million. On March 12, 2015, the court entered an injunction prohibiting certain sales activities relating to the features found by the jury to infringe. Synopsys released a new version of ZeBu software that does not include such features. Synopsys accrued an immaterial amount as a loss contingency in the year ended October 31, 2015. Both parties appealed from the court’s judgment following the jury verdict.

The Federal Circuit heard the parties’ respective appeals and issued a decision on March 16, 2017. The panel affirmed the jury verdict and damages award on Mentor’s ‘376 patent and reversed the district court’s dismissal of Mentor’s ‘176, ‘531 and ‘882 patents and Synopsys' ‘109 patent. Due to the affirmation of the verdict by the Federal Circuit, the Company accrued an aggregate amount of $39.0 million as a loss contingency, which is the amount estimated toany accrued liability may increase, decrease, or be the probable loss. The associated charge has been recorded in general and administrative expenses in the income statements for the year ended October 31, 2017.eliminated.


Proceedings on these patents are resuming in the federal district court in Oregon, including trial
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Table of alleged supplemental damages on and willful infringement of the ‘376 patent. On May 1, 2017, Synopsys petitioned for rehearing by all judges currently sitting on the Federal Circuit. On September 1, 2017, the Federal Circuit denied Synopsys’ petition for rehearing. On November 30, 2017, Synopsys filed a petition for certiorari with the U.S. Supreme Court seeking review of the Federal Circuit’s ruling.Contents
The California Action

On December 21, 2012, Synopsys filed an action for patent infringement against Mentor in federal district court in the Northern District of California, alleging that Mentor’s Veloce products infringe Synopsys’ United States Patents Nos. 5,748,488, 5,530,841, 5,680,318 and 6,836,420 (the California Action). This case sought damages and a permanent injunction. The court stayed the action as to the ‘420 patent pending the U.S. Patent and Trademark Office's inter partes review of that patent and appeals from that proceeding. On January 20, 2015, the court granted Mentor's motion for summary judgment on the '488, '841, and '318 patents, finding that such patents were invalid. Synopsys appealed the court's ruling and on October 17, 2016, the Federal Circuit affirmed the district court’s decision. Synopsys sought review of the Federal Circuit’s ruling in the U.S. Supreme Court, and on October 2, 2017, the U.S. Supreme Court denied Synopsys’ petition.
PTO Proceedings
On September 26, 2012, Synopsys filed two inter partes review requests with the U.S. Patent and Trademark Office (the PTO) challenging the validity of Mentor’s ‘376 and ‘882 patents. The PTO granted review of the ‘376 patent and denied review of the ‘882 patent. On February 19, 2014, the PTO issued its final decision in the review of the ‘376 patent, finding some of the challenged claims invalid and some of the challenged claims valid. On April 22, 2014, Synopsys appealed to the Federal Circuit from the PTO’s decision finding certain claims valid. Mentor filed a cross-appeal on May 2, 2014 from the PTO's decision finding certain claims invalid. On February 10, 2016, the Federal Circuit affirmed the PTO's decision in all respects.
On December 21, 2013, Mentor filed an inter partes review request with the PTO challenging the validity of Synopsys' ‘420 patent. On June 11, 2015, the PTO issued its final decision in the review, finding all of the challenged claims invalid. On August 12, 2015, Synopsys appealed to the Federal Circuit from the PTO's decision. On October 11, 2016, the Federal Circuit affirmed the PTO’s decision.

On September 30, 2016, Synopsys filed a petition requesting ex parte reexamination of all of the claims of the ‘376 patent asserted in the Oregon Action. Mentor objected on procedural grounds. On November 8, 2016, the PTO instituted reexamination of the ‘376 patent. On December 15, 2016, the PTO vacated its decision to institute reexamination based upon Mentor’s procedural objection. Synopsys thereafter filed a renewed request for ex parte reexamination of only claims 24, 26 and 27 of the patent, which was granted by the PTO in February 2017. On May 2, 2017, Synopsys also sued the PTO in federal district court in the Eastern District of Virginia, challenging the PTO’s decision not to institute reexamination of claims 1 and 28. On July 28, 2017, cross-motions for summary

judgment were argued, and Synopsys’ suit challenging the PTO’s decision not to reexamine claims 1 and 28 was dismissed on November 15, 2017. The ex parte reexamination is ongoing.

On May 22, 2017, Synopsys petitioned for ex parte reexamination of certain claims of the ‘882 patent. On June 20, 2017, the PTO instituted reexamination on all of the challenged claims and on October 23, 2017 rejected the challenged claims of the ‘882 patent. The ex parte reexamination and the lawsuit are ongoing.

Further information regarding the accounting impact on Synopsys with respect to the patent litigation with Mentor is contained in Note 7 in the Notes to Consolidated Financial Statements under the heading "Legal Proceedings."

Other Proceedings

In July 2017, the Hungarian Tax Authority (HTA)HTA issued a final assessment against Synopsys' Hungarian subsidiary (Synopsys Hungary)Synopsys Hungary for fiscal years 2011 through 2013. The HTA has disallowed Synopsys Hungary's tax positions taken during these years regarding the timing of the deduction of research expenses and applied withholding taxes on certain payments made to affiliates, resulting in an aggregate tax assessment of approximately $47$44.5 million and interest and penalties of over $18 million (at current exchange rates).$18.0 million. On August 2, 2017, Synopsys Hungary filed a claim contesting the final assessment with the Hungarian Administrative Court. On November 16, 2017, Synopsys Hungary paid the assessment as required by law, while continuing its challenge to the assessment in court. AHearings were held in February and July 2018, February 26, 2019 and April 30, 2019. On December 10, 2018, Synopsys withdrew its claim contesting the final assessment with regard to the timing of the deduction of research expenses, resulting in a remaining disputed tax assessment of approximately $25.0 million and interest and penalties of $11.0 million. On April 30, 2019, the Administrative Court ruled against Synopsys Hungary. The Administrative Court's opinion was received on May 16, 2019. Synopsys Hungary filed an appeal with the Hungarian Supreme Court on July 5, 2019. In the second quarter of 2019, as a result of the Administrative Court's decision, we recorded a tax expense due to an unrecognized tax benefit of $17.4 million, which is net of estimated U.S. foreign tax credits for the tax assessments. The Hungarian Supreme Court heard our appeal on November 12, 2020 and remanded the case to the Administrative Court for further proceedings. We received the Hungarian Supreme Court’s written decision in the first quarter of fiscal 2021. On April 27, 2021, the Administrative Court reheard the case and again ruled against Synopsys Hungary. We received the written opinion from the Administrative Court on May 19, 2021 and filed an appeal with the Hungarian Supreme Court on July 19, 2021. The hearing for the appeal is scheduled for February 23, 2018.January 27, 2022.

For further discussion of the Hungary audit, see Note 13 of Notes to Consolidated Financial Statements under the heading "Non-U.S. Examinations."
 Item 4.     Mine Safety Disclosures
Not applicable.


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PART II



 Item 5.     Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
Common Stock Market Price
Our common stock trades on the NASDAQNasdaq Global Select Market under the symbol “SNPS.” The following table sets forth for the periods indicated the high and low sale prices of our common stock, as reported by the NASDAQ Global Select Market.
 Quarter Ended
 January 31, April 30, July 31, October 31,
2017       
High$62.68
 $73.85
 $76.69
 $87.19
Low$56.84
 $62.62
 $70.93
 $75.65
2016       
High$52.52
 $49.28
 $54.91
 $60.56
Low$40.53
 $40.96
 $47.45
 $54.13
As of December 11, 2017,8, 2021, we had 296228 stockholders of record. To date, we have paid no cash dividends on our capital stock and have no current intention to do so.

Performance Graph
The following graph compares the five-year total return to stockholders of our common stock relative to the cumulative total returns of the S&P 500 Index, the S&P Information Technology Index and the NASDAQNasdaq Composite Index. The graph assumes that $100 was invested in Synopsys common stock on October 27, 201228, 2016 (the last trading day before the beginning of our fifth preceding fiscal year) and in each of the indexes on October 27, 201228, 2016 (the closest month end) and that all dividends were reinvested. No cash dividends were declared on our common stock during such time. The comparisons in the table are not intended to forecast or be indicative of possible future performance of our common stock.
COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN*
snps-20211031_g3.jpg
*$100 invested on 10/27/12October 28, 2016 in stock or index, including reinvestment of dividends. Fiscal year ending October 30.
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The information presented above in the stock performance graph shall not be deemed to be “soliciting material” or to be “filed” with the SEC or subject to Regulation 14A or 14C, except to the extent that we subsequently specifically request that such information be treated as soliciting material or specifically incorporate it by reference into a filing under the Securities Act or Exchange Act.

Stock Repurchase Program
Our Board of Directors (Board) previously approved a stock repurchase program pursuant to which we were authorized to purchase up to $500.0 million of our common stock, and has periodically replenished the stock repurchase program to such amount. Our Board replenishedapproved a replenishment of the stock repurchase program up to $500.0 million on June 15, 2017. The program does not obligate us to acquire any particular amount of common stock, and the program may be suspended or terminated at any time by our Chief Financial Officer or our Board. We repurchase shares to offset dilution caused by ongoing stock issuances from existing equity plans for equity compensation awards and issuances related to acquisitions, and when management believes it is a good use of cash. Repurchases are transacted in accordance with Rule 10b-18 of the Securities Exchange Act of 1934, as amended (the Exchange Act) and may be made through any means including, but not limited to, open market purchases, plans executed under Rule 10b5-1(c) of the Exchange Act and structured transactions. 17, 2021. As of October 31, 2017, $4002021, $110.0 million remained available for furtherfuture repurchases under the program. In December 2021, our Board approved a new stock repurchase program with authorization to purchase up to $1.0 billion of our common stock, that replaced the prior stock repurchase program in its entirety.
In September 2017,August 2021, we entered into an accelerated share repurchase agreement (the September 2017August 2021 ASR) to repurchase an aggregate of $100.0$175.0 million of our common stock. Pursuant to the September 2017August 2021 ASR, we made a prepayment of $100.0$175.0 million and receivedto receive initial share deliveries of shares valued at $80.0$140.0 million. The remaining balance of $20.0$35.0 million was settled in November 2017.2021. Total shares purchased under the September 2017August 2021 ASR were approximately 1.20.5 million shares, at an average purchase price of $83.80$325.00 per share.
In December 2017, we entered into two simultaneous accelerated share repurchase agreements (the December 2017 ASRs) to repurchase an aggregate of $200.0 million of our common stock. Pursuant to the December 2017 ASRs, we will make a prepayment of $200.0 million to receive initial share deliveries of shares valued at $160.0 million. The remaining balance of $40.0 million is anticipated to be settled on or before May 16, 2018, upon completion of the repurchase. Under the terms of the December 2017 ASRs, the specific number of shares that we ultimately repurchase will be based on the volume-weighted average share price of our common stock during the repurchase period, less a discount.
The table below sets forth information regarding our repurchases of our common stock during the three months ended October 31, 2017:2021:
PeriodTotal
number
of shares
purchased (1)
Average
price paid
per share (1)
Total
number of
shares
purchased
as part of
publicly
announced
programs
Maximum dollar
value of shares
that may yet be
purchased
under the
programs
Month #1
August 1, 2021 through September 4, 2021530,329 $329.98 530,329 $150,000,000 
Month #2
September 5, 2021 through October 2, 2021— $— — $150,000,000 
Month #3
October 3, 2021 through October 30, 2021136,152 $293.78 — $110,001,399 
Total666,481 $322.59 530,329 $110,001,399 
(1)    Amounts are calculated based on the settlement date.
Period
Total
number
of shares
purchased (1)
 
Average
price paid
per share (1)
 
Total
number of
shares
purchased
as part of
publicly
announced
programs
 
Maximum dollar
value of shares
that may yet be
purchased
under the
programs
Month #1       
July 30, 2017 through September 2, 2017
 $
 
 $500,000,000
Month #2       
September 3, 2017 through September 30, 2017(2)1,011,378
 $79.10
 1,011,378
 $400,000,000
Month #3       
October 1, 2017 through October 28, 2017
 $
 
 $400,000,000
Total1,011,378
 $79.10
 1,011,378
 $400,000,000
(1)Amounts are calculated based on the trade date. Item 6.    [Reserved]
(2)The number of shares purchased and average purchase price paid per share does not include the 181,988 shares and $20.0 million equity forward contract, respectively, from the September 2017 ASR settled in November 2017.
See Note 9 of Notes to Consolidated Financial Statements for further information regarding our stock repurchase program.

 Item 6.     Selected Financial Data
 Fiscal Year Ended October 31,(1)
 2017 2016 2015 2014 2013
 (in thousands, except per share data)
Revenue$2,724,880
 $2,422,532
 $2,242,211
 $2,057,472
 $1,962,214
Income before provisions for income taxes383,098
 329,548
 281,610
 272,142
 275,666
Provision (benefit) for income taxes(2)246,535
 62,722
 55,676
 13,018
 27,866
Net income136,563
 266,826
 225,934
 259,124
 247,800
Net income per share:         
Basic0.91
 1.76
 1.46
 1.67
 1.62
Diluted0.88
 1.73
 1.43
 1.64
 1.58
Working capital(3)68,484
 1,992
 (109,546) 6,527
 133,000
Total assets5,396,414
 5,240,365
 5,045,739
 4,775,499
 4,358,935
Long-term debt134,063
 
 
 45,000
 75,000
Stockholders’ equity3,279,724
 3,195,146
 3,133,989
 3,056,170
 2,788,277
(1)Our fiscal year ends on the Saturday nearest to October 31 and consists of 52 weeks, with the exception that approximately every five years, we have a 53-week year. Fiscal 2017, 2016, 2015, 2014, and 2013 were 52-week years ending on October 28, 2017, October 29, 2016, October 31, 2015, November 1, 2014, and November 2, 2013, respectively.
(2)
Includes $7.1 million, $16.5 million, $6.3 million, $19.6 million, and $1.1 million in net tax benefits from tax settlements received in fiscal years 2017, 2016, 2015, 2014, and 2013, respectively. Fiscal 2017 additionally includes a $166.2 million impact from our repatriation of foreign earnings. See Note 11 of Notes to Consolidated Financial Statements.
(3)
Includes reclassifications of deferred tax assets and liabilities for fiscal years 2013 through 2015 related to ASU 2015-17 “Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes.” See Note 11 of Notes to Consolidated Financial Statements.
 Item 7.     Management’s Discussion and Analysis of Financial Condition and Results of Operations
Overview
The following summaryoverview of our financial condition and results of operations is qualified in its entirety by the more complete discussion contained in this Item 7, and by the risk factors set forth in Item 1A of this Annual Report.Form 10-K and our consolidated financial statements and the notes thereto set forth in Item 8 of this Form 10-K. Please also see the cautionary language at the beginning of Part I of this Annual ReportForm 10-K regarding forward-looking statements.
Business Summary

Synopsys, Inc. provides software, intellectual property,products and services used by designers across the entire siliconSilicon to
software Software spectrum, from engineers creating advanced semiconductors to product teams developing advanced electronic systems to software developers seeking to ensure
the security and quality of their applications.code. We are a global leader in supplying the electronic design automation
(EDA) software that engineers use to design and test integrated circuits (ICs), also known as chips. We also offer semiconductor intellectual property (IP) products, which are pre-designed circuits that engineers use as components of larger chip designs rather than designdesigning those circuits themselves. We provide
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software and hardware used to developvalidate the electronic systems that incorporate chips and the software that runs on them. To complement these offerings, we provide technical services and support to help our customers develop advanced chips and electronic systems. These products and services are part of our Semiconductor & System Design segment.
We are also a leading provider of software tools and services that are used to improve the security, quality and qualitycompliance of software code in a wide variety of industries, including electronics, financial services, media, automotive, medicine, energy and industrials. These tools and services are part of our Software Integrity segment.


Our EDA and IP customers are generally semiconductor and electronics systems companies. Our solutions help these companies overcome the challenges of developing increasingly advanced electronics products while also helping them reduce their design and manufacturing costs. While our products are an important part of our customers’ development process, our sales could be affected based on their research and development budgetbudgets, and our customers' spending decisions may be affected by their business outlook and willingness to invest in new and increasingly complex chip designs. In addition, a number of consolidations have taken place in the semiconductor industry over the past several years. While we do not believe customer consolidations have had a material impact on our results, the future impact of ongoing consolidation
Our Software Integrity business delivers products and services that enable software developers to test their code - while it is uncertain. For a discussion of potential risks, please see the risk factor titled “Consolidation among our customersbeing written - for known security vulnerabilities and within the industries in which we operate,quality defects, as well as testing for open source security vulnerabilities and license compliance. Our Software Integrity customers are software developers across many industries, including, but also well beyond, the semiconductor and systems industries. Our Software Integrity products and services form a platform that helps our dependence on a relatively small number of large customers may negatively impact our operating results” in Part I, Item 1A, Risk Factors.build security into the software development lifecycle and across the entire cyber supply chain.

Despite global economic uncertainty, weWe have consistently grown our revenue since 2005.2005, despite periods of global economic uncertainty. We achieved these results not only because of our solid execution, leading technologies and strong customer relationships, but alsoand because ofwe generally recognize our time-based revenue business model. Under this model, a substantial majority of our customers pay over time and we typically recognize this revenuefor software licenses over the life of the contract,arrangement period, which averages approximatelytypically approximates three years. Time-basedSee Note 2 of Notes to Consolidated Financial Statements for discussion on our revenue consists of time-based products, maintenance and service revenue. recognition policy. The revenue we recognize in a particular period generally results from selling efforts in prior periods rather than the current period. Due to our business model,As a result, decreases as well as increases in customer spending do not immediately affect our revenues in a significant way.

Our growth strategy is based on maintaining and building on our leadership in our EDA products, expanding and proliferating our IP offerings, and driving growth in the software security and quality market. As we continuemarket, and continuing to expand our product portfolio and our total addressable market, for instance inmarket. Our revenue growth from period to period is expected to vary based on the software securitymix of our time based and quality space, and as hardware product sales grow, we expect to experience increased variability in our total revenue, though we expect time-based revenue to continue to represent at least 90% of all revenue other than hardware revenue. Overall, our business outlook remains solid basedupfront products. Based on our leading technologies, customer relationships, business model, diligent expense management, and acquisition strategy. Westrategy, we believe that these factorswe will help us continue to execute our strategies successfully.
COVID-19 Pandemic
While the COVID-19 pandemic has changed the physical working environment of the substantial majority of our workforce to working from home, it has otherwise caused only minor disruptions to our business operations with a limited impact on our operating results thus far. Given the unpredictable nature of the COVID-19 pandemic’s impact on the global economy, our historical results may not be an indication of future performance.
The extent to which the COVID-19 pandemic impacts our business operations in future periods will depend on multiple uncertain factors, including the duration and scope of the pandemic, its overall negative impact on the global economy generally and the semiconductor and electronics industries specifically, and continued responses by governments and businesses to COVID-19. We have not identified trends that we expect will materially impact our future operating results at this time. As we generally recognize our revenue for software licenses over the arrangement period, any potential impact related to COVID-19 may be delayed. We have not observed any changes in the design activity of customers, but we experienced a slowdown in customer commitments in our Software Integrity segment. We have not received any significant requests from our customers to either delay payments or modify arrangements due to COVID-19. However, this situation could change in future periods and the extent that these requests may impact our business is uncertain. We have also experienced minor disruptions in our hardware supply chain, which we have been able to address with minimal impact to our business operations to date.
We will continue to consider the potential impact of the COVID-19 pandemic on our business operations. Although no material impairment or other effects have been identified to date related to the COVID-19 pandemic, there is substantial uncertainty in the nature and degree of its continued effects over time. That uncertainty affects
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management’s accounting estimates and assumptions, which could result in greater variability in a variety of areas that depend on these estimates and assumptions as additional events and information become known.
See Part I, Item 1A, Risk Factors for further discussion of the possible impact of the COVID-19 pandemic on our business, operations and financial condition.
Business Segments
Semiconductor & System Design. This segment includes our advanced silicon design, verification products and services, and semiconductor IP portfolio, which encompasses products and services that serve companies primarily in the semiconductor and electronics industries. EDA includes digital, custom and field programmable gate array (FPGA) IC design software, verification products, and manufacturing software products. Designers use these products to automate the highly complex IC design process and to reduce defects that could lead to expensive design or manufacturing re-spins or suboptimal end products. For IP, we are a leading provider of high-quality, silicon-proven IP solutions for system-on-chips (SoCs). This includes IP that has been optimized to address specific application requirements for the mobile, automotive, digital home, internet of things, and cloud computing markets, enabling designers to quickly develop SoCs in these areas.
Software Integrity. This segment includes a broad portfolio of products and services to intelligently address software risks across the customer’s portfolio and at all stages of the application lifecycle. The testing tools, services, and programs enable our customers to manage open source license compliance and detect, prioritize, and remediate security vulnerabilities and defects across their entire software development lifecycle. Our offerings include security and quality testing products, managed services, programs and professional services, and training.
Fiscal Year End
Our fiscal year ends on the Saturday nearest to October 31 and consists of 52 weeks, with the exception that approximately every five years, we have a 53-week year. When a 53-week year occurs, we include the additional week in the first quarter to realign fiscal quarters with calendar quarters. Fiscal 2017, 2016,2021, 2020 and 20152019 were 52-week years ending on October 28, 2017, October 29, 2016, and30, 2021, October 31, 2015,2020 and November 2, 2019, respectively. Fiscal 20182022 will be a 53-week52-week year.
For presentation purposes, this Form 10-K refers to the closest calendar month end.
Fiscal 2017 Financial Performance Summary
In fiscal 2017, compared to fiscal 2016, our financial performance reflects the following:
Revenues were $2.7 billion, an increase of $302.3 million or 12%, primarily driven by the overall growth in our business mainly due to higher TSL revenues, hardware sales, and professional services revenue.
Total cost of revenue and operating expenses were $2.4 billion, an increase of $272.2 million or 13%, primarily due to increases in headcount, including those from acquisitions.
Higher operating income of $347.6 million, an increase of $30.2 million or 10%.
During fiscal 2017, 88% of our revenue was time-based.
Effect of New Accounting Pronouncements Not Yet Adopted
In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2014-09, "Revenue from Contracts with Customers (Topic 606)," which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605).” This ASU requires an entity to recognize revenue when goods are transferred or services are provided to customers in an amount that reflects the consideration to which the entity expects to be entitled to in exchange for those goods or services. This ASU also requires disclosures enabling users of financial statements to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers.

Since the issuance of Topic 606, the FASB has issued several amendments to the ASU, including deferral of the adoption date initially proposed, clarification on accounting for licenses of intellectual property, and identifying performance obligations.
Topic 606 will be effective for us beginning in fiscal 2019, including interim periods within that reporting period. The ASU permits two retrospective methods for adoption. We will adopt Topic 606 using the modified retrospective method under which the cumulative effect of initially applying the guidance is recognized at the date of initial application.
Under the modified retrospective transition method, we will evaluate each contract that is effective on the adoption date as if that contract had been accounted for under Topic 606 from contract inception. Some revenue that would have been recognized in future periods under Topic 605 will be recast under Topic 606 as if the revenue had been recognized in prior periods. As this transition method requires that we do not adjust historical reported revenue amounts, the revenue that would have been recognized under this method prior to the adoption date will be a cumulative catch up adjustment to retained earnings and will not be recognized as revenue in future periods as previously planned. Because we expect that a slightly lower percentage of our revenue will be recognized over time under Topic 606, we expect to have a small percentage of our year-end backlog to be adjusted to retained earnings upon adoption.
We derive the majority of our total revenue from Technology Subscription License (TSL) contracts. We believe that the promised licenses of software (i.e., functional intellectual property) and the promise to provide substantive, timely, and technologically relevant updates and services in our TSL contracts reflect inputs to a combined item that represents a single overall promise to provide customer access to a suite of EDA software in an integrated solution that will evolve as our customers’ industries evolve through rapid technology changes. Accordingly, we have concluded that this single overall promise will be recognized as revenue over the term of the contract period. Accordingly, we expect that there will be not be a material change in the nature and timing of revenue recognition for our TSL contracts under Topic 606.
The timing of revenue recognition for our upfront products, maintenance and professional services is expected to remain substantially unchanged.
We continue to assess all potential impacts of Topic 606 on other multiple element software arrangements that combine many software-related deliverables. As the requirement to have VSOE for undelivered elements is not necessary to separate revenue from delivered software licenses, which is an essential criterion for separation under the current revenue standard, revenue would no longer be recognized over the arrangement period for certain of our term licenses and IP licenses. We are currently in the process of evaluating the impact of these changes on the remainder of our arrangements.
Topic 606 also requires the deferral of incremental costs of obtaining a contract with a customer. This will require us to capitalize incremental costs such as commissions and other costs directly related to obtaining customer contracts and amortize those costs over the period the assets are expected to contribute future cash flows. As commissions paid for renewals are commensurate with the amounts paid for initial contracts, the deferred incremental costs will be recognized over the contract term. Under the existing rules, we expense commissions based on shipments.
In February 2016, the FASB issued ASU 2016-2, "Leases (Topic 842)," which supersedes the lease requirements in "Leases (Topic 840)." This ASU requires a lessee to recognize a right-of-use asset and a lease payment liability for most leases in the Consolidated Statement of Financial Position. This ASU also makes some changes to lessor accounting and aligns with the new revenue recognition guidance. This ASU will be effective for fiscal 2020, including interim periods within that reporting period, and earlier adoption is permitted. We are currently in the process of evaluating the impact of adoption on our consolidated financial statements and related disclosures.
In October 2016, the FASB issued ASU 2016-16, "Income Taxes (Topic 740), Intra-Entity Transfers of Assets Other Than Inventory.” This ASU requires the immediate recognition of current and deferred income tax effects of intra-entity transfers of assets other than inventory. This ASU will be effective for fiscal 2019, including interim periods within that reporting period, and earlier adoption is permitted. We are currently in the process of evaluating the impact of adoption on our consolidated financial statements.
In August 2017, the FASB issued ASU 2017-12, "Derivatives and Hedging (Topic 815), Targeted Improvements to Accounting for Hedging Activities." This ASU requires expanded hedge accounting for risk components and refining the measurement of hedge results to better reflect an entity's hedging strategies. This ASU also amends the presentation and disclosure requirements and changes how entities assess hedge effectiveness. This ASU will be

effective for fiscal 2020, including interim periods within that reporting period, and earlier adoption is permitted. We are currently in the process of evaluating the impact of adoption on our consolidated financial statements.
Critical Accounting Policies and Estimates
Our discussion and analysis of our financial results under Results of Operations below are based on our audited results of operations, which we have prepared in accordance with U.S. GAAP. In preparing these financial statements, we make assumptions, judgments and estimates that can affect the reported amounts of assets, liabilities, revenues and expenses, and net income. On an ongoing basis, we evaluate our estimates based on historical experience and various other assumptions we believe are reasonable under the circumstances. Our actual results may differ from these estimates. ForSee Note 2 of Notes to Consolidated Financial Statements for further information on our significant accounting policies, see Note 2 of Notes to Consolidated Financial Statements.policies.
The accounting policies that most frequently require us to make assumptions, judgments and estimates, and therefore are critical to understanding our results of operations, are:
Revenue recognition;
Valuation of business combinations; and
Valuation of intangible assets; and
Income taxes.
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Revenue Recognition
We generate our revenue from the sale ofOur contracts with customers often include promises to transfer multiple products that include software licenses, maintenance and services and to a lesser extent, hardware products. Software license revenue consists of fees associatedcustomer. Arrangements with the licensing of our software. Maintenance and service revenue consists of maintenance fees associated with perpetual licenses and hardware products, and professional services fees. Hardware revenue consists of sales of Field Programmable Gate Array (FPGA)-based emulation and prototyping products.
Most of our customer arrangements are complex, involving hundreds ofcustomers can involve multiple products and various license rights, bundledrights. Customers cannegotiate for a broad portfolio of solutions, and favorable terms along with post-contract customer supportfuture purchase options to manage their overall costs. Analysis of the terms and additional meaningful rightsconditions in these contracts and their effect on revenue recognition may require significant judgment.
We have concluded that our EDA software licenses in Time-based Subscription License (TSL) contracts are not distinct from our obligation to provide a complete end-to-end solutionunspecified software updates to the customer. Throughoutlicensed software throughout the license term, because those promises represent inputs to a single, combined performance obligation. Where unspecified additional software product rights are part of the contract our customerswith the customer, those rights are typically using a myriad of products to complete each phase of a chip design and are concurrently working on multiple chip designs, or projects, in different phasesaccounted for as part of the design. During thissingle performance obligation that includes the licenses, updates, and technical support, because such rights are provided during the same period of time and have the customer lookssame time-based pattern of transfer to us to release state-of-the-art technologythe customer.
For our IP licensing arrangements, we have concluded that the licenses and support services are distinct from each other, and therefore treated as we keep up with the paceseparate performance obligations. Revenues from IP licenses are recognized at a point in time upon transfer of change, to address requested enhancements to our tools to meet customer specifications, to provide support at each stagecontrol of the customer’s design, includingIP license, and support services are recognized over the final manufacturing of the chip (the tape-out stage), and other important services.
With respect to software licenses, we primarily utilize two license types:
Technology Subscription Licenses (TSLs). TSLs are time-based licenses forsupport period as a finite term, and generally provide the customer limited rights to receive, or to exchange certain quantities of licensed software for, unspecified future technology. The majority of our arrangements are TSLs duestand ready obligation to the nature of the business and customer requirements. In addition to the licenses, the arrangements also include: post-contract customer support, which includes providing frequent updates and upgrades to maintain the utility of the software due to rapid changes in technology; other intertwined services such as multiple copies of the tools; assisting our customers in applying our technology in their development environment; and rights to remix licenses for other licenses.
Perpetual licenses. Perpetual licenses continue as long as the customer renews maintenance plus an additional 20 years. Perpetual licenses do not provide the customer any rights to receive, or to exchange licensed software for, unspecified future technology. Customers purchase maintenance separately for the first year and may renew annually.
For the two software license types, we recognize revenue as follows:
TSLs. We typically recognize revenue from TSL fees ratably over the term of the license period, or as customer installments become due and payable, whichever is later. Revenue attributable to TSLs is reported as “time-based products revenue” in the consolidated statements of operations.
Perpetual licenses. We recognize revenue from perpetual licenses in full upon shipment of the software if payment terms require the customer to pay at least 75% of the license fee and 100% of the maintenance fee within one year from shipment and all other revenue recognition criteria are

met. Revenue attributable to these perpetual licenses is reported as “upfront products revenue” in the consolidated statements of operations. For perpetual licenses in which less than 75% of the license fee and 100% of the maintenance fee is payable within one year from shipment, we recognize revenue as customer installments become due and payable. Such revenue is reported as “time-based products revenue” in the consolidated statements of operations.
Our maintenance and service revenue consists of maintenance fees associated with perpetual licenses and hardware products, and professional services fees. We recognize revenue from maintenance arrangements ratably over the maintenance period to the extent cash has been received or fees become due and payable, and recognize revenue from professional services and training fees as such services are performed and accepted by the customers as needed. Revenue attributable to maintenance, professional services and training is reported as “maintenance and service revenue” in the consolidated statements of operations.
Hardware revenue consists of sales of FPGA-based emulation and prototyping products. We recognize revenue from sales of hardware products in full upon shipment if all other revenue recognition criteria are met. Revenue attributable to these sales is reported as “upfront products revenue” in the consolidated statements of operations.
We also enter into arrangements in which portions of revenue are contingent upon the occurrence of uncertain future events, for example, royalty arrangements. We refer to this revenue as “contingent revenue.” Contingent revenue is recognized if and when the event that removes the contingency occurs. Such revenue is reported as “time-based products revenue” in the consolidated statements of operations. These arrangements are not material to our total revenue.
We infrequently enter into multiple-element arrangements that contain both software and non-software deliverables such as hardware. We have determined that the software and non-software deliverables in our contracts are separate units of accounting. We recognize revenue for the separate units of accounting when all revenue recognition criteria are met. Revenue allocated to hardware units of accounting is recognized upon shipment when all other revenue recognition criteria are met. Revenue allocated to software units of accounting is recognized depending on the software license type (TSL or perpetual license). Such arrangements have not had a material effect on our consolidated financial statements and are not expected to have a material effect in future periods.
We also enter into arrangements to deliver software products, either alone or together with other products or services, that require significant modification or customization of the software. We account for such arrangements using the percentage of completion method as we have the ability to make reasonably dependable estimates that relate to the extent of progress toward completion, contract revenues and costs. We measure the progress towards completion using the labor hours incurred to complete the project. Revenue attributable to these arrangements is reported as "maintenance and service revenue" in the consolidated statements of operations.
We determine the fair value of each element in multiple element software arrangements that only contain software and software-related deliverables based on vendor-specific objective evidence (VSOE). We limit our assessment of VSOE of fair value for each element to the price charged when such element is sold separately. We have analyzed all of the elements included in our multiple-element software arrangements and have determined that we have sufficient VSOE to allocate revenue to the maintenance components of our perpetual license products and to professional services. Accordingly, assuming all other revenue recognition criteria are met, we recognize license revenue from perpetual licenses upon delivery using the residual method, recognize revenue from maintenance ratably over the maintenance term, and recognize revenue from professional services as services are performed and accepted by the customer. With respect to TSL arrangements, due to the complexity of the tools, the complexity of the arrangement terms and intertwined services, the license, maintenance and other services are not separable and are considered as a combined unit. Additionally, we do not have sufficient VSOE of fair value to allocate the fee between these services. Therefore, we recognize revenue from TSLs ratably over the term of the license, assuming all other revenue recognition criteria are met.
Revenue recognition involves certain judgment; specifically, in connection with each transaction involving our products, we must evaluate whether: (1) persuasive evidence of an arrangement exists, (2) delivery of software or services has occurred, (3) the fee for such software or services is fixed or determinable, and (4) collectability of the full license or service fee is probable. All four of these criteria must be met in order for us to recognize revenue with respect to a particular arrangement. We apply these revenue recognition criteria as follows:
Persuasive Evidence of an Arrangement Exists. Prior to recognizing revenue on an arrangement, our customary policy is to have a written contract, signed by both the customer and by us, or a

purchase order from those customers that have previously negotiated a standard end-user license arrangement or purchase agreement.
Delivery Has Occurred. We deliver our products to our customers electronically or physically. For electronic deliveries, delivery occurs when we provide access to our customers to take immediate possession of the software through downloading it to the customer’s hardware. For physical deliveries, the standard transfer terms are typically Freight on Board (FOB) shipping point. We generally ship our products or license keys promptly after acceptance of customer orders. However, a number of factors can affect the timing of product shipments and, as a result, timing of revenue recognition, including the delivery dates requested by customers and our operational capacity to fulfill product orders at the end of a fiscal quarter.
The Fee Is Fixed or Determinable. Our determination that an arrangement fee is fixed or determinable depends principally on the arrangement’s payment terms. Our standard payment terms for perpetual licenses require 75% or more of the license fee and 100% of the maintenance fee to be paid within one year. If the arrangement includes these terms, we regard the fee as fixed or determinable, and recognize all license revenue under the arrangement in full upon delivery (assuming all other revenue recognition criteria are met). If the arrangement does not include these terms, we do not consider the fee to be fixed or determinable and generally recognize revenue when customer installments are due and payable. In the case of a TSL, because of the right to exchange products or receive unspecified future technology and because VSOE for maintenance services does not exist for a TSL, we recognize revenue ratably over the term of the license, but not in advance of when customers’ installments become due and payable.
Collectability Is Probable. We judge collectability of the arrangement fees on a customer-by-customer basis pursuant to our credit review policy. We typically sell to customers with whom we have a history of successful collection. For a new customer, or when an existing customer substantially expands its commitments, we evaluate the customer’s financial position and ability to pay and typically assign a credit limit based on that review. We increase the credit limit only after we have established a successful collection history with the customer. If we determine at any time that collectability is not probable under a particular arrangement based upon our credit review process or the customer’s payment history, we recognize revenue under that arrangement as customer payments are actually received.
Valuation of Business Combinations
We are required to allocate the purchase price of acquired companies to the tangible assets, liabilities and contingencies assumed, and intangible assets acquired in a business combination. Any residual purchase price is recorded as goodwill.  The allocation of the purchase price requires management to make estimates in determining the fair values of assets acquired and liabilities assumed especiallybased upon their estimated fair values at the acquisition date. The purchase price allocation process requires management to make significant estimates and assumptions with respect to intangible assets. Although we believe the assumptions and estimates we have made are reasonable, they are based in part on historical experience, market conditions and information obtained from management of the acquired companies and are inherently uncertain. Examples of critical estimates in valuing certain of the intangible assets which are amortized over various estimated useful lives. Our estimateswe have acquired or may acquire in the future include, but are not limited to, to:
future expected cash flows of anfrom software license sales, subscriptions, support agreements, consulting contracts and acquired business, developed technologies and patents;
historical and expected customer attrition rates and anticipated growth in revenue from acquired customers;
estimated obsolescence rates used in valuing technology related intangible assets;
the appropriate discounted rate, and the cost savings expected to be derived from an acquisition. These estimates are inherently difficult, subjective and unpredictable, and if different estimates were used, the purchase price allocation to the acquired assets and liabilities could be different. In addition, we make judgments and estimates when we assign useful lives to intangible assets identified as part of our acquisitions. These estimates are also inherently uncertain and if we used different estimates, the useful life over which we amortize intangible assets would be different. Therefore, our assessment of the estimated fair value of each of these assets and liabilities can have a material effect on our consolidated financial statements.
Valuation of Intangible Assets
We evaluate our intangible assets for indications of impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable. Intangible assets consist of purchased technology, contract rights intangibles, customer relationships, trademarks and trade names, covenants not to compete, capitalized software development, and in-process research and development. Factors that could trigger an impairment review include significant under-performance relative to expected historical or projected future operating results, significant changes in the manner of our use of the acquired assets or the strategy for our overall business or significant negative industry or economic trends. If this evaluation indicates that the value of the intangible asset may be impaired, we make an assessment of the recoverability of the net carrying value of the asset over its remaining useful life. If this assessment indicates that the intangible asset is not recoverable, based on the estimated undiscountedassets; and
discount rates used to discount expected future cash flows to present value, which are typically derived from a weighted-average cost of capital analysis and adjusted to reflect inherent risks.
Unanticipated events and circumstances may occur which may affect the technology over the remaining useful life, we reduce the net carrying valueaccuracy or validity of the related intangible asset to fair value. Any such impairment charge could be significant and could have a material

adverse effect on our reported financialassumptions, estimates or actual results. We did not record any impairment charges on our intangible assets during fiscal 2017, 2016 or 2015.
Income Taxes
Our estimatesWe use the asset and assumptions made in our tax provisions may differ from the actual results as reflected in ourliability method of accounting for income taxes. Under this method, income tax returns and we recordexpense is recognized for the required adjustments when they are identifiedamount of taxes payable or resolved.
We recognizerefundable for the current year. In addition, deferred tax assets and liabilities are recognized for the expected future tax consequences of temporary differences between the bookfinancial reporting and tax bases of assets and liabilities, using enacted tax rates in effect for the year in which we expect the differences to reverse, and for operating losses and tax losscredit carryforwards. Management must make assumptions, judgments and credit carryovers. We record a valuation allowanceestimates to reduce the deferred tax assets to the amount that is more likely than not to be realized. In evaluatingdetermine our ability to utilizecurrent provision for income taxes and also our deferred tax assets we consider all available positive and negative evidence, including our past operating results, our forecast of future taxable income on a jurisdiction by jurisdiction basis, as well as feasible and prudent tax planning strategies. These assumptions require judgment about the forecasts of future taxable income and are consistent with the plans and estimates we are using to manage the underlying businesses. We believe that the net deferred tax assets of approximately $236.3 million, which are recorded on our balance sheet as of October 31, 2017 based on current tax law, will ultimately be realized. However, if we determine in the future that it is more likely than not we will not be able to realize a portion or the full amount of deferred tax assets, we would record an adjustment to the deferred tax asset or a valuation allowance as a charge to earnings in the period such determination is made.liabilities.
We apply a two-step approach to recognizing and measuring uncertain tax positions. The first step is to evaluate the tax position for recognition by determining whether it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount that is more than 50% likely of being realized upon ultimate settlement. An uncertain tax position is considered effectively settled on completion of an examination by a taxing authority if certain other conditions are satisfied.
The calculation of tax liabilities involves inherent uncertainty associated with the application of complex tax laws, significantOur assumptions, judgments and estimates including forward-looking financial projectionsrelative to the current provision for income taxes take into account current tax laws, our interpretation of current tax laws and geographical mixpossible outcomes of earnings.current and future audits conducted by foreign and domestic tax authorities. We have established reserves for income taxes to address potential exposures involving tax positions that could be challenged by tax authorities. In addition, we are also subject to the continual examination of our income tax returns by various taxingthe U.S. Internal Revenue Service (IRS) and other domestic and foreign tax authorities. We regularly assess the likelihood of outcomes resulting from these examinations to determine the adequacy of our provision for income taxes and have reserved for potential adjustments that may result from such examinations. We believe such estimates to be reasonable; however, the final determination of any of these examinations could significantly impact the amounts provided for income taxes in our consolidated financial statements.
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Changes from Prior Periodic Reports
In this Annual Report on Form 10-K, we have adequately provided inrevised our financial statements for potential additional taxes. Ifdisclosures to comply with SEC Release No. 33-10825, “Modernization of Regulation S-K Items 101, 103, and 105.” In addition, we ultimately determine that these amounts are not owed, we would reversehave adopted the liability and recognize the tax benefitchanges in the perioddisclosure standards included in SEC Release No. 33-10890, “Management’s Discussion and Analysis, Selected Financial Data, Supplementary Financial Information.”
Modernization of Regulation S-K Items 101, 103, and 105
The SEC issued Release No. 33-10825, “Modernization of Regulation S-K Items 101, 103, and 105,” effective for annual periods beginning subsequent to November 2020. This release was adopted to simplify the description of business, legal proceedings, and risk factor disclosures that registrants are required to make pursuant to Regulation S-K. Specifically, this release requires registrants to provide disclosures relating to their human capital resources and to restructure their risk factor disclosures. Additionally, the release increases the threshold for disclosure of environmental proceedings to which the government is a party.
Management’s Discussion and Analysis, Selected Financial Data, and Supplementary Financial Information
The SEC issued Release No. 33-10890 “Management’s Discussion and Analysis, Selected Financial Data, Supplementary Financial Information” which became fully effective on August 9, 2021. This release was adopted to simplify and enhance certain financial disclosure requirements in Regulation S-K. Specifically, the SEC eliminated the requirement for selected financial data, only requiring quarterly disclosure when there are retrospective changes affecting comprehensive income, and amending the matters required to be presented under Management’s Discussion and Analysis (MD&A) to, among other things, eliminate the requirement to include the contractual obligations table.
With our adoption of this release, we determinehave eliminated from this document the items discussed above that the liability isare no longer necessary. If an ultimate tax assessment exceedsrequired. Information on our estimatecontractual obligations is still disclosed in narrative form within the “Management’s Discussion and Analysis of tax liabilities, we would record an additional charge to earnings.
Financial Condition and Results of Operations” in Item 7 of Part II of this Annual Report on Form 10-K.
Results of Operations
Revenue BackgroundThe discussion of our consolidated results of operations include year-over-year comparisons of fiscal 2021 changes compared to fiscal 2020. For a discussion of the fiscal 2020 changes compared to fiscal 2019, see the discussion in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the fiscal year ended October 31, 2020, filed on December 15, 2020.
Fiscal 2021 Financial Performance Summary
Results of operations for fiscal 2021, compared to fiscal 2020, reflect the following:
Revenues were $4,204.2 million, an increase of $518.9 million or 14%, primarily due to higher revenue resulting from growth across all products and geographies.
Total cost of revenue and operating expenses were $3,469.4 million, an increase of $404.3 million or 13%, primarily due to increases of $342.2 million in employee-related costs resulting from headcount increases through organic growth and acquisitions.
Operating income was $734.8 million, an increase of $114.6 million or 18%, as revenue growth exceeded the growth of costs and expenses.
Revenue
Our revenues are generated from two business segments: the Semiconductor & System Design segment and the Software Integrity segment. See Note 15 of Notes to Consolidated Financial Statements for additional information about our reportable segments and revenue by geographic regions.
Further disaggregation of the revenues into various products and services within these two segments is summarized as follows:
Semiconductor & System Design Segment
This segment is comprised of the following:
EDA software includes digital, custom and FPGA IC design software, verification products and
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obligations to provide unspecified updates and support services. EDA products and services are typically sold through TSL arrangements that grant customers the right to access and use all of the licensed products at the outset of an arrangement and software updates are generally made available throughout the entire term of the arrangement. The duration of our TSL contracts is generally 3 years, though it may vary for specific arrangements. We generate our revenuehave concluded that the software licenses in TSL contracts are not distinct from the sale of products that includeobligation to provide unspecified software licenses, maintenance and services, andupdates to a lesser extent, hardware products. Under current accounting rules and policies, we recognize revenue from orders we receive forthe licensed software licenses, services and hardware products at varying times.
In most instances, we recognize revenue on a TSL software license order overthroughout the license term, because the multiple software licenses and onsupport represent inputs to a single, combined offering, and timely, relevant software updates are integral to maintaining the utility of the software licenses. We recognize revenue for the combined performance obligation under TSL contracts ratably over the term of the license.
IP & System Integration includes our DesignWare® IP portfolio and system-level products and services. These arrangements generally have two performance obligations which consist of transferring of the licensed IP and providing related support, which includes rights to technical support and software updates that are provided over the support term and are transferred to the customer over time. Revenue allocated to the IP licenses is recognized at a point in time upon the later of the delivery date or perpetual softwarethe beginning of the license orderperiod, and revenue allocated to support is recognized over the support term. Royalties are recognized as revenue in the quarter in which the license is delivered. The weighted-average termapplicable customer sells its products that incorporate our IP. Payments for IP contracts are generally received upon delivery of the TSLs and term licenses is typically three years, but varies from quarter to quarter dueIP. Revenue related to the nature and timingcustomization of certain IP is recognized as “Professional Services.”
In the case of arrangements involving the sale of hardware products, we generally have two performance obligations. The first performance obligation is to transfer the hardware product, which includes software integral to the functionality of the arrangements entered into duringhardware product. The second performance obligation is to provide maintenance on the quarter.hardware and its embedded software, which includes rights to technical support, hardware repairs and software updates that are all provided over the same term and have the same time-based pattern of transfer to the customer. The weighted-average termportion of the TSLs and term licenses we entered into in fiscal 2017, 2016, and 2015 was 2.7 years, 3.0 years and 2.7 years, respectively.
Revenue on contracts requiring significant modification or development is accounted for usingtransaction price allocated to the percentage of completion method over the period of the development.
Revenue on hardware product orders is generally recognized in fullas revenue at the time of shipment because the customer obtains control of the product is shippedat that point in time. We have concluded that control generally transfers at that point in time because the customer has the ability to direct the use of the asset and when title is transferred.
Contingent revenuean obligation to pay for the hardware. The portion of the transaction price allocated to the maintenance obligation is recognized if and when the event that removes the contingency occurs.
Revenue on maintenance orders is recognizedas revenue ratably over the maintenance period (normally one year).term.
Revenue on professional services ordersfrom Professional Service contracts is recognized over time, generally recognizedusing costs incurred or hours expended to measure progress. We have a history of reasonably estimating project status and the costs necessary to complete projects. A number of internal and external factors can affect these estimates, including labor rates, utilization and efficiency variances and specification and testing requirement changes.
Software Integrity Segment
We sell Software Integrity products in arrangements that provide customers the right to software licenses, maintenance updates and technical support. Over the term of these arrangements, the customer expects us to provide integral maintenance updates to the software licenses, which help customers protect their own software from new critical quality defects and potential security vulnerabilities. The licenses and maintenance updates serve together to fulfill our commitment to the customer as both work together to provide functionality to the services are performed.
Infrequently, we enter into certain license arrangements wherein licenses are provided forcustomer and represent a finite term without any other services or rights, including rights to receive, or to exchange licensed

software for, unspecified future technology.combined performance obligation. We recognize revenue from thesefor the combined performance obligation over the term licenses in full upon shipment of the software and when all other revenue recognition criteria are met.arrangement.
Our revenue in any period is equal to the sum of our time-based products, upfront products, and maintenance and services revenues for the period. We derive time-based products revenue largely from TSL orders received and delivered in prior quarters and to a smaller extent from contracts in which revenue is recognized as customer installments become due and payable and from contingent revenue arrangements. We derive upfront products revenue directly from term and perpetual license and hardware product orders mostly booked and shipped during the period. We derive maintenance revenue largely from maintenance orders received in prior periods since our maintenance orders generally yield revenue ratably over a term of one year. We also derive professional services revenue primarily from orders received in prior quarters, since we recognize revenue from professional services as those services are delivered and accepted or on percentage of completion for arrangements requiring significant modification of our software, and not when they are booked.
Our revenue is sensitive to the mix of TSLs and perpetual licenses delivered during a reporting period. A TSL order typically yields lower current quarter revenue but contributes to revenue in future periods. For example, a $120,000 order for a three-year TSL delivered on the last day of a quarter typically generates no revenue in that quarter, but $10,000 in each of the 12 succeeding quarters. Conversely, a $120,000 order for perpetual licenses with greater than 75% of the license fee due within one year from shipment typically generates $120,000 in revenue in the quarter the product is delivered, but no future revenue. Additionally, revenue in a particular quarter may also be impacted by perpetual licenses in which less than 75% of the license fees and 100% of the maintenance fees are payable within one year from shipment as the related revenue will be recognized as revenue in the period when customer payments become due and payable.
Most of our customer arrangements are complex, involving hundreds ofcan involve multiple products and various license rights, and our customers bargainnegotiate with us over many aspects of these arrangements. For example, they often demandmay request a broader portfolio of solutions, support and services and seek more favorable terms such as expanded license usage, future purchase rights and other unique rights at an overall lower total cost. No single factor typically drives our customers’ buying decisions, and we compete on all fronts to serve customers in a highly competitive EDA market.markets. Customers generally negotiate the total value of the arrangement rather than just unit pricing or volumes.
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Total Revenue
Year Ended October 31, $ Change     % Change     $ Change     % Change    
2017 2016 2015 2016 to 2017 2015 to 2016
(dollars in millions)
$2,724.9
 $2,422.5
 $2,242.2
 $302.4
 12% $180.3
 8%
Year Ended October 31,$ Change    % Change    
202120202020 to 2021
(dollars in millions)
Semiconductor & System Design Segment$3,810.4 $3,327.2 $483.2 15 %
Software Integrity Segment393.8 358.1 35.7 10 %
Total$4,204.2 $3,685.3 $518.9 14 %
The overall growth of our business, including contributions from acquisitions, has been the primary driver of the increase in our revenue. Our revenues are subject to fluctuations, primarily due to customer requirements including payment terms and the timing and value of contract renewals. For example, we experience variabilityfluctuations in our revenuerevenues due to factors such as the timing of IP product sales, consulting projects, Flexible Spending Account (FSA) drawdowns, royalties, variability inand hardware sales. As revenues from IP products sales and hardware sales and due to certain contracts where revenue is recognized when customer installment payments are due. As revenue from hardware sales is recognized upfront, customer demand and timing requirements for such IP products and hardware maycould result in increased variability of our total revenue.revenues.
The increase in total revenue forFor fiscal 20172021 compared to fiscal 2016 was2020, revenues increased primarily attributabledue to the overall growth in our business mainly due to higher TSL revenues, hardware sales, IP consulting projects and to a lesser extent due to revenue from acquired companies.
The increase in total revenue for fiscal 2016 compared to fiscal 2015 was primarily attributable to the overallcontinued organic growth of our business mainly duein most product categories and regions as a result of increased investments by our customers in new, complex designs for their hardware and software products across a wide range of industries.
For a discussion of revenue by geographic areas, see Note 15 of Notes to higher TSL revenues and hardware sales.Consolidated Financial Statements.

Time-Based Products Revenue
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
 $2,021.8
 $1,910.9
 $1,792.2
 $110.9
 6% $118.7
 7%
Percentage of total revenue74% 79% 80%        
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
Time-based products revenue$2,633.8 $2,365.2 $268.6 11 %
Percentage of total revenue63 %64 %
The increase in time-based products revenue for fiscal 20172021 compared to fiscal 20162020 was primarily attributable to an increase in TSL license revenue due toand higher renewals from arrangements booked in prior periods.
The increase in time-based products revenue for fiscal 2016 compared to fiscal 2015 was primarily attributable to an increase in TSL license revenue due to the overall growth in our business, including arrangements booked in prior periods and, to a lesser extent, contributions from acquisitions.
Upfront Products Revenue
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
 $338.2
 $248.1
 $197.3
 $90.1
 36% $50.8
 26%
Percentage of total revenue12% 10% 9%        
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
Upfront products revenue$861.1 $735.6 $125.5 17 %
Percentage of total revenue20 %20 %
Changes in upfront products revenue are generally attributable to normal fluctuations in the extent and timing of customer requirements, which can drive the amount of upfront orders and revenue in any particular period.
The increase in upfront products revenue for fiscal 20172021 compared to fiscal 2016, and for fiscal 2016 compared to fiscal 2015,2020 was primarily attributabledue to an increase in the sale of IP products and hardware products driven by timing of customer requirements.higher demands from customers.
As our sales of hardware products grow, upfrontUpfront products revenue as a percentage of total revenue will likely
fluctuate modestly.based on the timing of IP products and hardware sales. Such fluctuations will continue to be impacted by the timing of shipments or FSA drawdowns due to customer
requirements.
38

Maintenance and Service Revenue
Year Ended October 31, $ Change % Change $ Change % Change Year Ended October 31,$ Change% Change
2017 2016 2015 2016 to 2017 2015 to 2016 202120202020 to 2021
(dollars in millions) (dollars in millions)
Maintenance revenue$84.1
 $74.4
 $70.1
 $9.7
 13% $4.3
 6%Maintenance revenue$235.9 $177.4 $58.5 33 %
Professional service and other revenue280.8
 189.1
 182.6
 $91.7
 48% $6.5
 4%Professional service and other revenue473.5 407.1 66.4 16 %
Total$364.9
 $263.5
 $252.7
 $101.4
 38% $10.8
 4%Total$709.4 $584.5 $124.9 21 %
Percentage of total revenue14% 11% 11%        Percentage of total revenue17 %16 %
The increase in maintenance revenue for fiscal 20172021 compared to fiscal 2016, and for fiscal 2016 compared to fiscal 2015,2020 was primarily due to an increase in the volume of hardware and IP arrangements that include maintenance.
The increase in professional services and other revenue for fiscal 20172021 compared to fiscal 2016 was primarily due to the increase in, and timing of, IP consulting projects that are accounted for using the percentage of completion method and contributions from acquisitions.
The increase in professional services and other revenue for fiscal 2016 compared to fiscal 2015 was primarily due to the timing of IP consulting projects that are accounted for using the percentage of completion method.
We expect our professional services revenues to increase in future periods as a result of recent acquisitions, but we do not expect the impact to be material to our total revenue.

Cost of Revenue and Operating Expenses
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
Cost of revenue$654.2
 $543.0
 $518.9
 $111.2
 20% $24.1
 5%
Operating expenses1,723.1
 1,562.2
 1,456.8
 $160.9
 10% $105.4
 7%
Total$2,377.3
 $2,105.2
 $1,975.7
 $272.1
 13% $129.5
 7%
Total expenses as a percentage of total revenue87% 87% 88%    
Our expenses are generally impacted by changes in personnel-related costs including salaries, benefits, stock-based compensation and variable compensation; changes in amortization; and changes in selling and marketing expenses. The increase in our expenses compared to prior fiscal years2020 was primarily due to an increase in personnel-related costs, driven by increased headcount from our overall growth, including those from acquisitions, and related fixed charges including facilities, as well as higher product costs due to increased hardware sales. We allocate certain human resource programs, information technology and facility expenses among our functional income statement categories based on headcount within each functional area. Annually, or upon a significant change in headcount (such as a workforce reduction, realignment or acquisition) or other factors, management reviews the allocation methodology and expenses included in the allocation pool.volume of IP consulting projects.
Foreign currency fluctuations, net of hedging, did not have a significant impact on expenses during fiscal 2017 as compared to fiscal 2016, or fiscal 2016 as compared to fiscal 2015. See Note 5 of Notes to Consolidated Financial Statements for details on our foreign exchange hedging programs.
Cost of Revenue
Year Ended October 31, $ Change % Change $ Change % Change Year Ended October 31,$ Change% Change
2017 2016 2015 2016 to 2017 2015 to 2016 202120202020 to 2021
(dollars in millions) (dollars in millions)
Cost of products revenue$413.2
 $346.9
 $303.6
 $66.3
 19 % $43.3
 14 %Cost of products revenue$542.1 $487.3 $54.8 11 %
Cost of maintenance and service revenue164.9
 94.0
 105.3
 $70.9
 75 % $(11.3) (11)%Cost of maintenance and service revenue271.2 254.9 16.3 %
Amortization of intangible assets76.1
 102.1
 110.0
 $(26.0) (25)% $(7.9) (7)%Amortization of intangible assets48.5 52.5 (4.0)(8)%
Total$654.2
 $543.0
 $518.9
 $111.2
 20 % $24.1
 5 %Total$861.8 $794.7 $67.1 %
Percentage of total revenue24% 22% 23%        Percentage of total revenue20 %22 %
We divide cost of revenue into three categories: cost of products revenue, cost of maintenance and service revenue, and amortization of intangible assets. We segregate expenses directly associated with consulting and training services from cost of products revenue associated with internal functions providing license delivery and post-customer contract support services. We then allocate these group costs between cost of products revenue and cost of maintenance and service revenue based on products and maintenance and service revenue reported.
Cost of products revenue. Cost of products revenue includes costs related to products sold and software licensed, hardware related direct costs, allocated operating costs related to product support and distribution costs, royalties paid to third-party vendors, and the amortization of capitalized research andsoftware development costs associated with software products that had reached technological feasibility.costs.
Cost of maintenance and service revenue. Cost of maintenance and service revenue includes operating costs related to maintaining the infrastructure necessary to operate our services and costs to deliver our maintenance and consulting services, such as hotline and on-site support, production services and documentation of maintenance updates. We expect our cost of maintenance and service revenue to increase in future periods because of recent acquisitions, but we do not expect the impact to be material to our total cost of revenue.

Amortization of intangible assets. Amortization of intangible assets, which is recorded to cost of revenue and operating expenses, includes the amortization of core/developed technology trademarks, trade names, customer relationships, covenants not to compete related to acquisitions and certain contract rights related to acquisitions.intangible.
The increase in cost of revenue for fiscal 20172021 compared to fiscal 20162020 was primarily due to increases of $62.4$54.8 million in personnel-related costs as a result of headcount increases including those from hiring and acquisitions, $37.5$20.0 million in hardware productrelated costs, due to increases in, and timinghigher deferred compensation expenses of shipments, $24.8 million in costs related to servicing IP consulting arrangements, and functionally allocated expenses that were higher by $8.6$4.6 million. TheThese increases were partially offset by decreasesa decrease of $26.0$5.3 million in depreciation and maintenance expense, a decrease of $4.0 million in servicing IP consulting arrangements expense and a reduction of $4.0 million in amortization of intangible assets.
The increase in cost of revenue for fiscal 2016 compared to fiscal 2015 was primarily due to increases of $24.2 million in product costs due to increased sales, $19.7 million in personnel-related costsassets as a result of headcount increases, which were partially offset by decreases of $13.4 million in costs related to our professional services revenue and $7.9 million in amortization of intangible assets.certain technology-related intangibles assets became fully amortized during 2021.
Changes in other cost of revenue categories for the above-mentioned periods were not individually material.
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Operating Expenses
Research and Development
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
 $908.8
 $856.7
 $776.2
 $52.1
 6% $80.5
 10%
Percentage of total revenue33% 35% 35%        
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
$1,504.8 $1,279.0 $225.8 18 %
Percentage of total revenue36 %35 %
The increase in research and development expense inexpenses for fiscal 20172021 compared to fiscal 20162020 was primarily due to increases of $47.4 million inhigher personnel-related costs as a result of $176.0 million from headcount increases including those from acquisitions.
The increase in researchhiring and development expense in fiscal 2016 comparedacquisitions as we continue to fiscal 2015 was primarily due to increases of $64.3 million in personnel-related costs as a result of headcount increases, including those from acquisitions, $5.7expand and enhance our product portfolio, $9.7 million in consultant and contractor costs, $5.1$7.4 million in research and development supplies, and functionally allocatedfacility expenses, that wereas well as higher by $3.0deferred compensation expenses of $29.3 million.
Changes in other research and development expense categories for the above-mentioned periods were not individually material.
Sales and Marketing
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
 $549.2
 $502.4
 $474.4
 $46.8
 9% $28.0
 6%
Percentage of total revenue20% 21% 21%        
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
$712.5 $632.0 $80.5 13 %
Percentage of total revenue17 %17 %
The increase in sales and marketing expenseexpenses for fiscal 20172021 compared to fiscal 2016,2020 was primarily due to an increase of $71.8 million in personnel-related costs due to headcount increases from hiring and for fiscal 2016 compared to fiscal 2015, were primarily attributable to increaseshigher sales commissions as well as higher deferred compensation expenses of $40.8$11.0 million, and $26.7partially offset by a decrease of $4.8 million respectively, in personneltravel costs as a result of higher headcount and higher variable compensation primarily based on timing of shipments.COVID-19 restrictions.
Changes in other sales and marketing expense categories for the above-mentioned periods were not individually material.

General and Administrative
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
 $196.8
 $166.0
 $165.1
 $30.8
 19% $0.9
 1%
Percentage of total revenue7% 7% 7%        
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
$323.0 $284.5 $38.5 14 %
Percentage of total revenue%%
The increase in general and administrative expenses for fiscal 20172021 compared withto fiscal 20162020 was primarily due to increasesan increase of $38.0 million for accrued loss contingencies as a result of litigation, $18.8$39.6 million in personnel-related costs as a result ofexpenses from headcount increases from hiring and $5.5 million in facilitieshigher deferred compensation expenses partially offset by a $30.4 million gain as a result of a legal settlement.
General and administrative expenses for fiscal 2016 compared with fiscal 2015 remained relatively flat as increases of $5.2 million in maintenance costs and $2.5 million in professional service costs were offset by $7.2 million of lower facilities expenses.$5.0 million.
Changes in other general and administrative expense categories for the above-mentioned periods were not individually material.
Change in Fair Value of Deferred Compensation
The income or loss arising from the change in fair value of our non-qualified deferred compensation plan obligation is recorded in cost of sales and each functional operating expense, with the offsetting change in the fair value of the related assets recorded in other income (expense), net. These assets are classified as trading securities. There is no overall impact to our net income from the income or loss offair value changes in our deferred compensation plan obligation and asset.
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Amortization of Intangible Assets
Amortization of intangible assets includes the amortization of contract rights and the amortization of core/developed technology, trademarks, trade names, and customer relationships covenants not to compete, and in-process research and development related to acquisitions completed in prior years. Amortization expense is included in the consolidated statements of operationsincome as follows:
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
Included in cost of revenue$48.5 $52.5 $(4.0)(8)%
Included in operating expenses33.9 38.8 (4.9)(13)%
Total$82.4 $91.3 $(8.9)(10)%
Percentage of total revenue%%
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
Included in cost of revenue$76.1
 $102.1
 $110.0
 $(26.0) (25)% $(7.9) (7)%
Included in operating expenses31.6
 27.5
 26.0
 $4.1
 15 % $1.5
 6 %
Total$107.7
 $129.6
 $136.0
 $(21.9) (17)% $(6.4) (5)%
Percentage of total revenue4% 5% 6%        
The decrease in amortization of intangible assets for fiscal 20172021 compared to fiscal 2016, and for fiscal 2016 compared to fiscal 2015,2020 was primarily due to certain intangible assets that werebecoming fully amortized in fiscal 2021, partially offset by additions ofamortization expense related to acquired intangible assets.assets in fiscal 2021.
Restructuring Charges
DuringIn the third quarter of fiscal 2017, we recorded $36.6 million2021, our management approved, committed and initiated a restructuring plan (the 2021 Plan) as part of restructuringa business reorganization. Total charges for severance and benefits due to involuntary and voluntary employee termination actions. The restructuring actions were undertaken to position us for future growth, reallocate resources to priority areas and, to a lesser extent, eliminate operational redundancy. These charges consisted primarily of severance and retirement benefits. Payments under the 2017 restructuring plans2021 Plan are expected to be in the range of $42 million to $53 million and consist primarily of severance, retirement benefits under the 2021 Voluntary Retirement Program (2021 VRP), and lease abandonment costs. Restructuring charges under the 2021 Plan are anticipated to be completed byin the end of the secondfirst quarter of fiscal 2018.2022.
During fiscal 2016, we recorded $9.6 million of restructuring charges for severance and benefits due to involuntary employee terminations. As of October 31, 2016, there was a $5.7 million outstanding balance remaining in

accounts payable and accrued liabilities in the consolidated balance sheets. The remaining balance was paid in fiscal 2017.
During fiscal 2015, we recorded $15.1 million of restructuring charges pursuant to the fiscal 2015 restructuring program, which included a voluntary retirement program (VRP) and a minimal headcount reduction program. The fiscal 2015 restructuring program was completed as of October 31, 2015.
The following is a summary of our restructuring activities:liabilities:
Fiscal YearBalance at Beginning of PeriodCosts IncurredCash PaymentsBalance at End of Period
(in millions)
2021$1.3 $33.4 $(20.5)$14.2 
2020$22.6 $36.1 $(57.4)$1.3 
2019$8.1 $47.2 $(32.7)$22.6 
Fiscal YearBalance at Beginning of Period Costs Incurred (Reduced) Cash Payments Balance at End of Period
 (in millions)
2017$5.7
 $36.6
 $(24.8) $17.5
2016$
 $9.6
 $(3.9) $5.7
2015$
 $15.1
 $(15.1) $
See Note 2 of Notes to Consolidated Financial Statementsfor additional information.
Interest and Other Income (Expense), Net
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
Interest income$2.4 $3.6 $(1.2)(33)%
Interest expense(3.4)(5.1)1.7 (33)%
Gain (loss) on assets related to executive deferred compensation plan71.6 21.5 50.1 233 %
Foreign currency exchange gain (loss)5.3 5.5 (0.2)(4)%
Other, net(5.2)(7.5)2.3 (31)%
Total$70.7 $18.0 $52.7 293 %
 Year Ended October 31, $ Change % Change $ Change % Change
 2017 2016 2015 2016 to 2017 2015 to 2016
 (dollars in millions)
Interest income$7.2
 $3.7
 $2.8
 $3.5
 95 % $0.9
 32 %
Interest expense(7.3) (3.8) (2.8) (3.5) 92 % (1.0) 36 %
Gain (loss) on assets related to executive deferred compensation plan29.6
 4.4
 3.7
 25.2
 573 % 0.7
 19 %
Foreign currency exchange gain (loss)3.4
 0.2
 6.3
 3.2
 1,600 % (6.1) (97)%
Other, net2.6
 7.7
 5.1
 (5.1) (66)% 2.6
 51 %
Total$35.5
 $12.2
 $15.1
 $23.3
 191 % $(2.9) (19)%
The net increase in other income (expense) infor fiscal 20172021 as compared to fiscal 20162020 was primarily due to higher gainsincrease in the marketfair value of our executive deferred compensation plan assets.
Segment Operating Results
We do not allocate certain operating expenses managed at a consolidated level to our reportable segments. These unallocated expenses consist primarily of stock-based compensation expense, amortization of intangible assets, restructuring, litigation and acquisition-related costs. See Note 15 of Notes to Consolidated Financial Statements for more information.
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Semiconductor & System Design Segment
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
Adjusted operating income$1,243.1 $990.8 $252.3 25 %
Adjusted operating margin33 %30 %%10 %
The net decreaseincrease in otheradjusted operating income (expense) infor fiscal 2016 as2021 compared to fiscal 20152020 was primarily due to lower gainsan increase in foreign currency exchange as a result of the weakened U.S. dollar against the related foreign currencies,revenue from arrangements booked in prior periods.
Software Integrity Segment
 Year Ended October 31,$ Change% Change
 202120202020 to 2021
 (dollars in millions)
Adjusted operating income$38.3 $40.8 $(2.5)(6)%
Adjusted operating margin10 %11 %(1)%(9)%
The decrease in adjusted operating income for fiscal 2021 compared to fiscal 2020 was primarily due to an increase in operating expenses, partially offset by increased income on foreign exchange hedging contracts that was recordedan increase in Other, net.revenue from arrangements booked in prior periods.
Income Taxes
Our effective tax rate for fiscal 20172021 was 64.4%6.1%, which included a tax benefit of $45.5 million of U.S. federal research tax credit, a foreign derived intangible income tax expense(FDII) deduction of $166.2 million relating to a repatriation of foreign earnings of $825 million in anticipation of potential U.S. corporate tax reform, $30.5 million due to an increase in valuation allowance on state deferred tax assets, a settlement with the Korean National Tax Service for the audit of fiscal years 2012 to 2016 of $7.9$31.2 million, and tax expense related to the integration of acquired technologies of $36.4 million. These expenses were partially offset by excess tax benefits from stock-based compensation of $38.1 million, a U.S. federal research tax credit of $25.5 million, and a settlement with the Taiwanese tax authorities for fiscal 2014 of $10.9$94.0 million.
Our effective tax rate for fiscal 20162020 was 19.0%(4.0%), which included a tax benefits from a settlement with the Internal Revenue Service (IRS)benefit of $20.7$39.2 million for fiscal 2015 and the permanent reinstatement of the U.S. federal research tax credit, a FDII deduction of $24.3 million, and excess tax benefits from stock-based compensation of $72.3 million.
The Tax Act provides an exemption from federal income taxes for distributions from foreign subsidiaries made after December 31, 2017 that were not subject to the one-time transition tax. We have provided for foreign withholding taxes on undistributed earnings of certain of our foreign subsidiaries to the extent such earnings are no longer considered to be indefinitely reinvested in the operations of those subsidiaries.
In July 2017, the Hungarian Tax Authority (the HTA) issued a final assessment against our Hungarian subsidiary (Synopsys Hungary) for fiscal years 2011 through 2013. The HTA applied withholding taxes on certain payments made to affiliates, resulting in an aggregate tax assessment of approximately $37.1 million, partially offset by tax expense from the integration of acquired technologies of $37.5 million, the impact of undistributed foreign earnings of $9.6$25.0 million and an increaseinterest and penalties of $11.0 million. We paid the tax assessments, penalties and interest in the valuation allowancefirst quarter of 2018 as required by law and recorded these amounts as prepaid taxes on deferred tax assetsour balance sheet. On April 30, 2019, the Hungarian Administrative Court ruled against Synopsys Hungary. We filed an appeal with the Hungarian Supreme Court on July 5, 2019. In the second quarter of $14.0 million2019, as a result of changesthe Court's decision, we recorded a tax expense due to an unrecognized tax benefit of $17.4 million, which is net of estimated U.S. foreign tax credits for the tax assessments. The Hungarian Supreme Court heard our appeal on November 12, 2020 and remanded the case to the Hungarian Administrative Court for further proceedings. We received the Hungarian Supreme Court's written decision in the expected utilization of state tax credits. The reinstatement of the research tax credit resulted in an additional tax credit for ten monthsfirst quarter of fiscal 20152021. On April 27, 2021, the Administrative Court reheard the case and again ruled against Synopsys Hungary. We received the full year of fiscal 2016, which was recorded in fiscal 2016. Our effective tax rate for fiscal 2015 was 19.8%, which included tax expensewritten opinion from the integration of acquired technologies of $33.0 million partially offset by tax benefits from the reinstatement of the U.S. federal research tax credit of approximately $12.4 million, a settlementAdministrative Court on May 19, 2021. We filed an appeal with the IRSHungarian Supreme Court on July 19, 2021. The hearing for the appeal is scheduled for January 27, 2022.
See Note 13 of $4.0 million for fiscal 2014, and a

settlement with the Taiwanese tax authorities of $2.3 million (net tax benefit resulting from fiscal years 2012 and 2013). The reinstatement of the research tax credit resulted in an additional tax credit for ten months of fiscal 2014 as well as two months of fiscal 2015, which was recorded in fiscal 2015.
The integration of acquired technologies represents the income tax effect resulting from the transfer of certain intangible assets among company-controlled entities. The income tax effect is generally recognized over five years. These intangible assets generally result from the acquisition of technology by a company-controlled entity as part of a business or asset acquisition.
The valuation allowance on state deferred tax assets increased in fiscal 2017 by $43.7 million primarily dueNotes to a change in the realizability of deferred tax assets related to the California research credit carryforwards. Most of the change relates to a significant increase in our share price in fiscal 2017, which resulted in a higher tax deduction that reduced the future California sourced taxable income and the amount of California research credits we expect to utilize. The remainder of the increase relates to an agreement that we reached with the California tax authorities in fiscal 2017, which resulted primarily in the recognition of unrecognized tax benefits offset by a corresponding increase in the valuation allowance of $13.2 million. ForConsolidated Financial Statements for further discussion of the provision for income taxes, repatriation,the impacts related to the Tax Act, and settlements, see Note 11 of Notes to Consolidated Financial Statementsthe Hungarian audit.
Liquidity and Capital Resources
Our principal sources of cash, cash equivalents and short-term investmentsliquidity are funds generated from our business operations and funds that may be drawn down under our revolving credit and term loan facilities.
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As of October 31, 2017,2021, we held an aggregate of $554.6$1,580.8 million in cash, cash equivalents and short-term investments. Our cash equivalents consisted primarily of taxable money market mutual funds, time deposits and highly liquid investments with maturities of three months or less. Our short-term investments include U.S. government and municipal obligations, investment-grade available-for-sale debt and asset backed securities. We believe that the overall credit quality of our portfolio is strong, with our global excess cash, and our cash equivalents, invested in the United Statesbanks and an aggregatesecurities with a weighted-average credit rating exceeding AA.
As of $493.8October 31, 2021, approximately $799.1 million of our cash and cash equivalents were domiciled in ourvarious foreign subsidiaries. In fiscal 2017, we repatriated $825 million of undistributed foreign earnings in anticipation of U.S. corporate tax reform. Additional amounts held outside the U.S. could be repatriated to the U.S. (subject to local law restrictions), but under current U.S. tax law, would be subject to U.S. income taxes less applicable foreign tax credits.jurisdictions. We have provided for the U.S. income and foreign withholding taxes on the undistributed earnings of certain of our foreign subsidiaries to the extent such earnings except for foreign earnings that are no longer considered to be indefinitely reinvested outside the U.S. However, in the event additional funds from foreign subsidiaries were needed to fundoperations of those subsidiaries.
We believe that our existing cash, needs in the U.S. and if U.S. taxes have not already been previously accrued, we would be required to accrue and pay additional U.S. taxes in order to repatriate these funds.
The following sections discuss changes in our consolidated balance sheets and statements of cash flow, and other commitments of our liquidity and capital resources during fiscal 2017.
Cash, Cash Equivalents and Short-Term Investments
 Year Ended October 31, $ Change % Change
 2017 2016 
 (dollars in millions)
Cash and cash equivalents$1,048.4
 $976.6
 $71.8
 7 %
Short-term investments$
 $140.7
 $(140.7) (100)%
Total$1,048.4
 $1,117.3
 $(68.9) (6)%
Cash, cash equivalents and short-term investments decreased primarily dueand sources of liquidity will be sufficient to (1) stock repurchases undersatisfy our acceleratedcash requirements and capital return program over the next 12 months and beyond. Our future cash requirements will depend on many factors, including our rate of revenue growth, the expansion of our sales and marketing activities, and the timing and extent of our spending to support our research and development efforts. We also may invest in or acquire complementary businesses, applications or technologies, or may further expand our board-authorized stock repurchase agreements, (2)program, which may require the use of significant cash used for acquisitions and intangible assets, (3) purchases of property and equipment, (4) repayment of debt, net of proceeds, and (5) payments for taxes related to net share settlement of equity awards. Cash used was partially offset by cash generated from our operations and cash received from employee stock option exercises.resources and/or additional financing.

Cash Flows
Year Ended October 31, $ Change $ Change Year Ended October 31,$ Change
2017 2016 2015 2016 to 2017 2015 to 2016 202120202020 to 2021
(dollars in millions) (dollars in millions)
Cash provided by operating activities$634.6
 $586.6
 $495.2
 $48.0
 $91.4
Cash provided by operating activities$1,492.6 $991.3 $501.3 
Cash used in investing activities(189.3) (142.7) (559.6) (46.6) 416.9
Cash used in investing activities$(549.0)$(360.4)$(188.6)
Cash used in financing activities(373.1) (306.9) (62.1) (66.2) (244.8)Cash used in financing activities$(748.7)$(140.6)$(608.1)
Cash Provided by Operating Activities
We expect cash from our operating activities to fluctuate as a result of a number of factors, including the timing of our billings and collections, our operating results, and the timing and amount of tax and other liability payments. Cash provided by our operations is dependent primarily upon the payment terms of our license agreements. We generally receive cash from upfront arrangements much sooner than from time-based products revenue, in which the license fee is typically paid either quarterly or annually over the term of the license.
Fiscal 20172021 compared to fiscal 2016 and fiscal 2016 compared to fiscal 2015.2020. The increase in cash provided by operating activities was primarily driven byattributable to higher operating income and higher cash collections, partially offset by higher disbursements for operations, including vendors.collections.
Cash Used in Investing Activities
Fiscal 20172021 compared to fiscal 2016. 2020. The increase in cash used in investing activities was primarily driven bydue to purchase of short-term investments of $161.7 million and higher cash paid for acquisitions and intangible assets of $199.1$95.0 million, partially offset by higher proceeds from the sales and maturities of short-term investments of $139.3 million.
Fiscal 2016 compared to fiscal 2015. The decrease in cash used in investing activities was primarily driven by lower cash paid for acquisitions and intangible assets of $280.1 million, lower purchases of short-term investments of $70.2 million, higher proceeds from the sales and maturities of short-term investments of $47.2 million, and lower purchases of property and equipment of $20.1$61.0 million.
Cash Used in Financing Activities
Fiscal 20172021 compared to fiscal 2016. 2020. The increase in cash used in financing activities was primarily due to higher debt repaymentsstock repurchases of $195.6 million, partially offset by higher proceeds from the drawdown of our senior unsecured revolving credit facility of $135.0 million.
Fiscal 2016compared to fiscal 2015. The increase in cash used in financing activities was primarily due to lower proceeds from the drawdown of our senior unsecured revolving credit facility of $275.0$546.0 million and higher stock repurchase activitiesincome taxes paid for net share settlements of $120.0 million, partially offset by lower debt repayments of $145.4$56.7 million.
Accounts Receivable, net
Year Ended October 31,    
2017 2016 $ Change % Change
(dollars in millions)    
$451.1 $438.9 $12.2 3%
Our accounts receivable and days sales outstanding (DSO) are primarily driven by our billing and collections activities. Our DSO was 59 days at October 31, 2017 and 63 days at October 31, 2016. The decrease in DSO is primarily due to the increase in revenue.

Working Capital
Working capital is comprised of current assets less current liabilities, as shown on our consolidated balance sheets:
 Year Ended October 31,    
 2017 2016 $ Change % Change
 (dollars in millions)    
Current assets$1,682.6
 $1,716.9
 $(34.3) (2)%
Current liabilities1,614.1
 1,714.9
 $(100.8) (6)%
Working capital$68.5
 $2.0
 $66.5
 3,325 %
Working capital at the end of fiscal 2017 was higher than at the end of fiscal 2016 primarily due to (1) a decrease of $195.1 million in short-term debt, (2) an increase of $30.2 million in prepaid and other current assets, and (3) a decrease of $21.3 million in deferred revenue. These changes in working capital were partially offset by an increase of $98.4 million in accounts payable and accrued liabilities and a decrease of $69.0 million of cash, cash equivalents and short-term investments as we sold our available-for-sale investment portfolio during the fourth quarter of fiscal 2017.
Other
As of October 31, 2017, our cash equivalents consisted of taxable money market mutual funds. We follow an established investment policy and set of guidelines to monitor, manage and limit our exposure to interest rate and credit risk.
We proactively manage our cash equivalents balances and closely monitor our capital and stock repurchase expenditures to ensure ample liquidity. Additionally, we believe the overall credit quality of our portfolio is strong, with our global excess cash, and our cash equivalents, invested in banks and securities with a weighted-average credit rating exceeding AA. The majority of our investments are classified as Level 1 or Level 2 investments, as measured under fair value guidance. See Notes 5 and 6 of the Notes to Consolidated Financial Statements.
We believe that our current cash and cash equivalents, cash generated from operations, and available credit under our Revolver (defined below) will satisfy our routine business requirements for at least the next 12 months and the foreseeable future.
Other Commitments — Credit and Term Loan Facilities
On November 28, 2016, we entered into an amended and restated credit agreement with several lenders (the(as amended and restated, the Credit Agreement) providing for (i) a $650.0$650.0 million senior unsecured revolving credit facility (the Revolver) and (ii) a $150.0$150.0 million senior unsecured term loan facility (the Term Loan). TheOn January 22, 2021, the Credit Agreement was amended and restated our previous credit agreement dated May 19, 2015 (the 2015(Credit Agreement), in order to increase the size of the revolving credit facility from $500.0 million to $650.0 million, provide a new $150.0 million senior unsecured term loan facility, and extend the termination date of the existing $650 million senior unsecured revolving credit facility from May 19, 2020 to November 28, 2021. Subject2021 to obtaining additional commitments from lenders,January 22, 2024, which may be further extended at our option. Further, the Credit Agreement was also amended to provide an uncommitted incremental loan facility of up to $150.0 million in the aggregate principal amountamount.

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Our outstanding term loan borrowings under the loans providedprevious credit agreement carried over under the Credit Agreement may be increased by us by up to an additional $150.0 million. The Credit Agreement contains financial covenants requiring us to operate within a maximum leverage ratio and maintain a minimum interest coverage ratio, as well as other non-financial covenants.Agreement. As of October 31, 2017,2021, we were had $75.0 million in compliance with all financial covenants.
During the first quarter of fiscal 2017, we received funding of $150.0 millionaggregate principal amount in outstanding balance under the Term Loan. As of October 31, 2017, we had a $144.0 million outstanding balance, net of debt issuance costs, under the Term Loan, of which $134.1 million is classified as long-term liabilities, and There was no outstanding balance under the Revolver. Outstanding principal payments under the Term Loan are dueRevolver as follows:
Fiscal year(in thousands)
201810,313
201914,062
202017,813
202127,187
202275,000
Total$144,375

As of October 31, 2016,2021.
In July 2018, we had no outstanding balance under the previous term loan from the 2015 Agreement andentered into a $205.012-year 220.0 million outstanding balance under the previous revolver from the 2015 Agreement, all of which are considered short-term liabilities.RMB (approximately $33.0 million) credit agreement with a lender in China to support our facilities expansion. Borrowings bear interest at a floating rate based on a margin over our choice of market observable base rates as defined in the Credit Agreement.5-year Loan Prime Rate plus 0.74%. As of October 31, 2017, borrowings2021, we had $25.1 million outstanding under the Term Loan bore interestagreement. The remaining outstanding balance of $75.0 million was repaid in full on November 26, 2021.
Share Repurchase Program
Our Board of Directors previously approved a stock repurchase program up to $500.0 million of our common stock, and approved a replenishment of the stock repurchase program of up to $500.0 million in June 2021. During the fiscal year 2021, we repurchased 2.8 million shares of common stock at LIBOR +1.125%an average price of $270.84 per share for an aggregate purchase price of $753.1 million. As of October 31, 2021, $110.0 million remained available for future share repurchases. In December 2021, our Board approved a stock repurchase program with authorization to purchase up to $1.0 billion of our common stock. The pace of our repurchase activity will depend on factors such as our working capital needs, our cash requirements for acquisitions, our debt repayment obligations, our stock price, and economic and market conditions.
Contractual and Other Obligations
Our material cash requirements include the applicable interest ratefollowing contractual and other obligations.
Leases
We have operating lease arrangements for office space, data center, equipment and other corporate assets. As of October 31, 2021, we had lease payment obligations, net of immaterial sublease income, of $588.3 million, with $80.4 million payable within 12 months.
Purchase Obligations
Purchase obligations represent an estimate of all open purchase orders and contractual obligations in the Revolver was LIBOR +1.000%. In addition, commitment feesordinary course of business for which we have not received the goods or services. As of October 31, 2021, we had $301.7 million of purchase obligations, with $151.8 million payable within 12 months. Although open purchase orders are payable onconsidered enforceable and legally binding, the Revolver at rates between 0.125%terms generally allow us the option to cancel, reschedule, and 0.200% per yearadjust our requirements based on our leverage ratio on the daily amount of the revolving commitment.
Subsequent to fiscal year 2017, we drew down $450.0 million under the Revolver and the total outstanding balance of the Revolver as of December 13, 2017 is $450.0 million.
Acquisition of Black Duck Software. On November 2, 2017, we entered into a definitive agreement pursuant to which we have agreed to acquire privately held Black Duck Software, a leader in automated solutions for securing and managing open source software. The acquisition was completed on December 11, 2017 and under the terms of the definitive agreement, we paid approximately $547 million, net of cash acquired, and assumed certain unvested equity of Black Duck employees. The transaction was funded by U.S. cash.
Contractual Obligations
The following table summarizes our contractual obligations as of October 31, 2017:
 Total Fiscal 2018 Fiscal 2019/ Fiscal 2020 Fiscal 2021/ Fiscal 2022 Thereafter Other
 (in thousands)  
Lease Obligations:           
Operating Leases(1)354,329
 56,879
 90,944
 59,235
 147,271
 
Purchase Obligations(2)172,583
 107,327
 65,256
 
 
 
Term Loan(3)144,375
 10,312
 31,875
 102,188
 
 
Other Long-Term Obligations(4)3,450
 863
 1,725
 862
 
 
Long term accrued income taxes(5)33,239
 
 
 
 
 33,239
Total$707,976
 $175,381
 $189,800
 $162,285
 $147,271
 $33,239
(1)
See Note 7 of Notes to Consolidated Financial Statements.
(2)Purchase obligations represent an estimate of all open purchase orders and contractual obligations in the ordinary course of business for which we have not received the goods or services as of October 31, 2017. Although open purchase orders are considered enforceable and legally binding, the terms generally allow us the option to cancel, reschedule and adjust our requirements based on our business needs prior to the delivery of goods or performance of services.
(3)
This commitment relates to the principal on the Term Loan as discussed in Other Commitments above.
(4)These other obligations include fees associated with our Revolver.
(5)Long-term accrued income taxes represent uncertain tax benefits as of October 31, 2017. Currently, a reasonably reliable estimate of timing of payments in individual years beyond fiscal 2017 cannot be made due to uncertainties in timing of the commencement and settlement of potential tax audits.
The expected timing of payments of the obligations discussed above is estimated based on current information. Timing of payment and actual amounts paid may be different depending on the time of receipt of goods or services or changesperformance of services.
Term Loan
Refer to agreed-upon amounts“Other Commitments – Credit and Term Loan Facilities” under Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in this Annual Report on Form 10-K for some obligations.more information.
Off-Balance Sheet ArrangementsLong Term Accrued Income Taxes
As of October 31, 2017,2021, we did not have any off-balance sheet arrangements, as definedhad $27.9 million of long-term accrued income taxes which represent uncertain tax benefits. Currently, a reasonably reliable estimate of timing of payments related to uncertain tax benefits in Item 303(a)(4)(ii)individual years beyond fiscal 2021 cannot be made due to uncertainties in timing of SEC Regulation S-K.the commencement and settlement of potential tax audits.
 Item 7A.     Quantitative and Qualitative Disclosures About Market Risk

Interest Rate Risk. Our exposure to market risk for changes in interest rates relates to our cash, cash equivalents, short-term investments, and outstanding debt. As of October 31, 2017,2021, all of our cash, cash equivalents, and debt were at short-term variable andor fixed interest rates. As of October 31, 2021, we had an investment portfolio of fixed income securities of $147.9 million. These securities, as with all fixed income instruments, are subject to interest rate risk and will decline in value if market interest rates increase. While par value generally approximates fair value on variable instruments, rising interest rates over time would increase both our interest income and our interest expense. The primary objective of our investment activities is to preserve the principal while at the same time maximizing yields without significantly increasing the risk. To achieve this objective, we maintain our portfolio of investments in a mix of tax-exempt and taxable instruments that meet high credit quality standards, as specified in
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our investment policy. None of these investments are held for trading purposes. Our policy also limits the amount of credit exposure to any one issue, issuer and type of instrument.
The following table presents ourOur cash equivalents and debt by fiscal year of expected maturity and average interest rates:
Asrates as of October 31, 2017
2021 are as follows:
 Maturing in Year Ending October 31,
 20222023202420252025 thereafterTotalFair Value
 (in thousands)
Cash & Cash equivalents$1,416,810 $1,416,810 $1,416,810 
Approx. average interest rate0.17 %
Short-term debt (variable rate):
Term Loan$75,000 $75,000 $75,000 
Average interest rateLIBOR +
1.125%
Credit Facility in China$25,094 $25,094 $25,094 
Average interest rateLPR + 0.74% of such rate
 Maturing in Year Ending October 31,
 2018 2019 2020 2021 2022 Total Fair Value
 (in thousands)
Cash & Cash equivalent (variable rate)$924,839
 $
 $
 

 

 $924,839
 $924,839
Average interest rate0.78% % % 
 
    
Term Loan$10,313
 $14,062
 $17,813
 $27,187
 $75,000
 $144,375
 $144,375
Average interest rateLIBOR +
1.125%

 % %        
Actual maturities may differ from the stated maturities because borrowers may have the right to call or prepay certain obligations. These investments are classified as available-for-sale and are recorded on the balance sheet at fair market value with unrealized gains or losses, net of tax, reported as a component of accumulated other comprehensive income (loss), or OCI. The cost of securities sold is based on the specific identification method and realized gains and losses are included in other income (expense), net. Realized gains and losses on sales of available-for-sale securities have not been material in any period presented.
Foreign Currency Risk. We operate internationally and are exposed to potentially adverse movements in currency exchange rates. The functional currency of the majority of our active foreign subsidiaries is the foreign subsidiary’s local currency. We enter into hedges in the form of foreign currency forward contracts to reduce our exposure to foreign currency rate changes on non-functional currency denominated forecasted transactions and balance sheet positions including: (1) certain assets and liabilities, (2) shipments forecasted to occur within approximately one month, (3) future billings and revenue on previously shipped orders, and (4) certain future intercompany invoices denominated in foreign currencies. The foreign currency contracts are carried at fair value and denominated in various currencies as listed in the tables below. The duration of forward contracts usually ranges from one month to 2223 months. ASee Note 2 and Note 6 of Notes to Consolidated Financial Statements for a description of our accounting for foreign currency contracts is included in Note 2 and Note 5 of Notes to Consolidated Financial Statements..
The success of our hedging activities depends upon the accuracy of our estimates of various balances and transactions denominated in non-functional currencies. To the extent our estimates are correct, gains and losses on our foreign currency contracts will be offset by corresponding losses and gains on the underlying transactions. For example, if the Euro were to depreciate by 10% compared to the U.S. dollar prior to the settlement of the Euro forward contracts listed in the table below providing information as of October 31, 2017,2021, the fair value of the contracts would decrease by approximately $10.4$13.5 million, and we would be required to pay approximately $10.4$13.5 million to the counterparty upon contract maturity. At the same time, the U.S. dollar value of our Euro-based expenses would decline, resulting in a gain and positive cash flow of approximately $10.4$13.5 million that would offset the loss and negative cash flow on the maturing forward contracts.
Net unrealized gain of approximately $4.4$1.3 million and net unrealized loss of $19.9$3.4 million, net of tax, are included in accumulated other comprehensive income (loss) in our consolidated balance sheets as of October 31, 20172021 and 2016,2020, respectively.

If estimates of our balances and transactions prove inaccurate, we will not be completely hedged, and we will record a gain or loss, depending upon the nature and extent of such inaccuracy.
We do not use foreign currency forward contracts for speculative or trading purposes. We enter into foreign exchange forward contracts with financial institutions and have not experienced nonperformance by counterparties. Further, we anticipate performance by all counterparties to such agreements.
The following table provides information
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Information about the gross notional values of our foreign currency contracts as of October 31, 2017:2021 was as follows:
Gross Notional
Amount in
U.S. Dollars
Average
Contract
Rate
 (in thousands) 
Forward Contract Values:
Japanese yen$311,030 110.672 
Indian rupee270,717 79.144 
Euro135,099 1.182 
Chinese renminbi97,860 6.470 
Taiwanese dollar89,693 27.866 
Canadian dollar68,780 1.265 
Hungarian forint68,462 315.169 
Korean won50,453 1,186.931 
British pound sterling29,994 1.368 
Israel shekel25,502 3.217 
Armenian dram9,799 510.264 
Singapore dollar9,503 1.361 
Swiss franc9,260 0.923 
$1,176,152 
 
Gross Notional
Amount in
U.S. Dollars
 
Average
Contract
Rate
 (in thousands)  
Forward Contract Values:   
Japanese yen$344,830
 110.991
Indian Rupee114,476
 67.624
Euro103,952
 0.866
Chinese renminbi89,521
 6.921
Taiwanese dollar84,394
 30.155
Canadian dollar46,180
 1.294
Israeli shekel34,903
 3.515
Hungarian forint33,337
 262.165
British pound sterling23,405
 0.771
Korean won22,007
 1,115.929
Denmark kroner20,985
 6.329
Armenian dram18,450
 468.662
Singapore dollar9,597
 1.355
Swiss franc9,102
 0.939
 $955,139
  
Equity Risk. We havehad approximately $7.8$17.6 million and $9.8$13.2 million of non-marketable equity securities in privately held companies as of October 31, 20172021 and 2016,2020, respectively. TheseThe investments that we do not have the ability to exercise significant influence over are accounted for underusing the measurement alternative when the fair value of the investment is not readily determinable. Securities accounted for as equity method investments are recorded at cost plus the proportional share of the issuers’ income or equity methods. The cost basis of securities soldloss, which is based onrecorded in the specific identification method. The securities of privately held companies are reported at carrying value.other income (expense), net. Investments are written down to the fair value if therewhen an event or circumstance which impacts the fair value of these investments indicates that the investments are any events or changes in circumstances that indicate any otherimpaired and the fair value of the investments is less than temporary decline in the carrying value. We recorded $1.3 million of other-than-temporary impairment during fiscal 2017 and did not recognize any impairment during fiscal 2016. None of our investments are held for speculation purposes.


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 Item 8.     Financial Statements and Supplementary Data

Report of Independent Registered Public Accounting Firm
TheTo the Stockholders and Board of Directors and Stockholders
Synopsys, Inc.:

Opinions on the Consolidated Financial Statements and Internal Control Over Financial Reporting

We have audited the accompanying consolidated balance sheets of Synopsys, Inc. and subsidiaries (the Company) as of October 28, 201730, 2021 and October 29, 2016, and31, 2020, the related consolidated statements of operations,income, comprehensive income, stockholders’ equity, and cash flows for each of the years in the three-year period ended October 28, 2017.30, 2021, and the related notes (collectively, the consolidated financial statements). We also have audited the Company’s internal control over financial reporting of Synopsys, Inc. as of October 28, 2017,30, 2021, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO)Commission.
In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of October 30, 2021 and October 31, 2020, and the results of its operations and its cash flows for each of the years in the three-year period ended October 30, 2021, in conformity with U.S. generally accepted accounting principles. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of October 30, 2021 based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

Change in Accounting Principle

As discussed in Note 2 to the consolidated financial statements, the Company has changed its method of accounting for leases as of November 3, 2019 due to the adoption of Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 842, Leases (“ASC 842”).

Basis for Opinions

The Company’s management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’sManagement's Report on Internal Control Over Financial Reporting appearing under item 9A(b).Reporting. Our responsibility is to express an opinion on thesethe Company’s consolidated financial statements and an opinion on the Company’s internal control over financial reporting of Synopsys, Inc. based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States).PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence supportingregarding the amounts and disclosures in the consolidated financial statements, assessingstatements. Our audits also included evaluating the accounting principles used and significant estimates made by management, andas well as evaluating the overall presentation of the consolidated financial statement presentation.statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.
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Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
In our opinion,
Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements referredthat was communicated or required to above present fairly,be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of a critical audit matter does not alter in all material respects,any way our opinion on the consolidated financial positionstatements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Evaluation of Synopsys, Inc.the Company’s analysis of terms and subsidiariesconditions in software and intellectual property license contracts with customers

As discussed in Notes 2 and 3 to the consolidated financial statements, the Company generates revenue from the sale of products that include software and intellectual property (IP) licenses, hardware products, maintenance and services. The Company’s contracts with customers often include promises to transfer multiple products and services to a customer. Arrangements with customers can involve hundreds of products and various license rights, and customers negotiate with the Company over many aspects of these arrangements. The Company’s customers often request a broader portfolio of solutions, support and services and seek more favorable terms such as expanded license usage, future purchase rights and other unique rights at an overall lower total cost. The Company recognized total revenue of $4,204.2 million for the year ended October 28, 201730, 2021, which included revenue related to software and October 29, 2016,IP licenses.

We identified the evaluation of the Company’s analysis of terms and the results of their operationsconditions in significant software and IP license contracts with customers and their cash flows for eacheffect on revenue recognition as a critical audit matter. Complex auditor judgment was required to assess the Company’s judgments made in applying revenue recognition requirements to certain terms and conditions.

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of certain internal controls related to the Company’s revenue recognition process, including controls related to the Company’s analysis of terms and conditions in software and IP license contracts with customers and their effect on revenue recognition. We tested certain software and IP license customer contracts by inspecting the underlying customer agreements and evaluating the Company’s assessment of the yearscontractual terms and conditions in accordance with revenue recognition requirements. For a selection of software and IP license contracts with customers entered during the three-year period ended October 28, 2017, in conformity with U.S. generally accepted accounting principles. Also in our opinion, Synopsys, Inc. maintained, in all material respects, effective internal control over financial reporting asyear, we inquired of October 28, 2017, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizationspersonnel outside of the Treadway Commission (COSO).accounting function to corroborate our understanding of certain terms and conditions.

/s/ KPMG LLP



We have served as the Company’s auditor since 1992.
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Santa Clara, California
December 13, 20172021

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SYNOPSYS, INC.
CONSOLIDATED BALANCE SHEETS
(In thousands, except par value amounts)
October 31, October 31,
2017 2016 20212020
ASSETS   ASSETS
Current assets:   Current assets:
Cash and cash equivalents$1,048,356
 $976,620
Cash and cash equivalents$1,432,840 $1,235,653 
Short-term investments
 140,695
Short-term investments147,949 — 
Total cash, cash equivalents and short-term investments1,048,356
 1,117,315
Total cash, cash equivalents and short-term investments1,580,789 1,235,653 
Accounts receivable, net of allowances of $5,165 and $3,201, respectively451,144
 438,873
Accounts receivable, netAccounts receivable, net568,501 780,709 
Inventories, netInventories, net229,023 192,333 
Income taxes receivable and prepaid taxes48,257
 56,091
Income taxes receivable and prepaid taxes32,411 32,355 
Prepaid and other current assets134,836
 104,659
Prepaid and other current assets397,617 308,167 
Total current assets1,682,593
 1,716,938
Total current assets2,808,341 2,549,217 
Property and equipment, net266,014
 257,035
Property and equipment, net472,398 483,818 
Operating lease right-of-use assets, netOperating lease right-of-use assets, net493,251 465,818 
Goodwill2,706,974
 2,518,245
Goodwill3,575,785 3,365,114 
Intangible assets, net253,843
 266,661
Intangible assets, net279,132 254,322 
Long-term prepaid taxes20,157
 13,991
Deferred income taxes243,989
 281,926
Deferred income taxes612,655 497,546 
Other long-term assets222,844
 185,569
Other long-term assets510,698 414,227 
Total assets$5,396,414
 $5,240,365
Total assets$8,752,260 $8,030,062 
LIABILITIES AND STOCKHOLDERS’ EQUITY   LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:   Current liabilities:
Accounts payable and accrued liabilities$499,846
 $401,451
Accounts payable and accrued liabilities$694,748 $623,664 
Operating lease liabilities, currentOperating lease liabilities, current79,678 73,173 
Accrued income taxes39,811
 22,693
Accrued income taxes46,443 27,738 
Deferred revenue1,064,528
 1,085,802
Deferred revenue1,517,623 1,388,263 
Short-term debt9,924
 205,000
Short-term debt74,992 27,084 
Total current liabilities1,614,109
 1,714,946
Total current liabilities2,413,484 2,139,922 
Operating lease liabilities, non-currentOperating lease liabilities, non-current487,003 462,411 
Long-term accrued income taxes33,239
 39,562
Long-term accrued income taxes27,893 25,178 
Long-term deferred revenue83,252
 79,856
Long-term deferred revenue136,303 104,850 
Long-term debt134,063
 
Long-term debt25,094 100,823 
Other long-term liabilities252,027
 210,855
Other long-term liabilities363,540 284,511 
Total liabilities2,116,690
 2,045,219
Total liabilities3,453,317 3,117,695 
Stockholders’ equity:   Stockholders’ equity:
Preferred Stock, $0.01 par value: 2,000 shares authorized; none outstanding
 
Common Stock, $0.01 par value: 400,000 shares authorized; 150,445 and 151,454 shares outstanding, respectively1,505
 1,515
Preferred stock, $0.01 par value: 2,000 shares authorized; none outstandingPreferred stock, $0.01 par value: 2,000 shares authorized; none outstanding— — 
Common stock, $0.01 par value: 400,000 shares authorized; 153,062 and 152,618 shares outstanding, respectivelyCommon stock, $0.01 par value: 400,000 shares authorized; 153,062 and 152,618 shares outstanding, respectively1,531 1,528 
Capital in excess of par value1,622,429
 1,644,675
Capital in excess of par value1,576,363 1,653,166 
Retained earnings2,143,873
 1,947,585
Retained earnings4,549,713 3,795,397 
Treasury stock, at cost: 6,817 and 5,811 shares, respectively(426,208) (294,052)
Treasury stock, at cost: 4,198 and 4,643 shares, respectivelyTreasury stock, at cost: 4,198 and 4,643 shares, respectively(782,866)(488,613)
Accumulated other comprehensive income (loss)(65,979) (104,577)Accumulated other comprehensive income (loss)(49,604)(54,074)
Total Synopsys stockholders’ equity3,275,620
 3,195,146
Total Synopsys stockholders’ equity5,295,137 4,907,404 
Non-controlling interest4,104
 
Non-controlling interest3,806 4,963 
Total stockholders’ equity3,279,724
 3,195,146
Total stockholders’ equity5,298,943 4,912,367 
Total liabilities and stockholders’ equity$5,396,414
 $5,240,365
Total liabilities and stockholders’ equity$8,752,260 $8,030,062 
See accompanying notes to consolidated financial statements.

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SYNOPSYS, INC.
CONSOLIDATED STATEMENTS OF OPERATIONSINCOME
(In thousands, except per share amounts)
 Year Ended October 31,
 202120202019
Revenue:
Time-based products$2,633,763 $2,365,199 $2,197,965 
Upfront products861,063 735,572 619,791 
Maintenance and service709,367 584,510 542,938 
Total revenue4,204,193 3,685,281 3,360,694 
Cost of revenue:
Products542,114 487,307 459,127 
Maintenance and service271,202 254,931 234,196 
Amortization of intangible assets48,461 52,452 59,623 
Total cost of revenue861,777 794,690 752,946 
Gross margin3,342,416 2,890,591 2,607,748 
Operating expenses:
Research and development1,504,823 1,279,022 1,136,932 
Sales and marketing712,491 632,010 632,890 
General and administrative322,988 284,530 229,218 
Amortization of intangible assets33,919 38,829 41,291 
Restructuring charges33,405 36,059 47,186 
Total operating expenses2,607,626 2,270,450 2,087,517 
Operating income734,790 620,141 520,231 
Other income (expense), net70,724 18,018 25,275 
Income before income taxes805,514 638,159 545,506 
Provision (benefit) for income taxes49,155 (25,288)13,139 
Net income756,359 663,447 532,367 
Net income (loss) attributed to non-controlling interest(1,157)(900)— 
Net income attributed to Synopsys$757,516 $664,347 $532,367 
Net income per share attributed to Synopsys:
Basic$4.96 $4.40 $3.55 
Diluted$4.81 $4.27 $3.45 
Shares used in computing per share amounts:
Basic152,698 151,135 149,872 
Diluted157,340 155,706 154,190 
 Year Ended October 31,
 2017 2016 2015
Revenue:     
Time-based products$2,021,812
 $1,910,902
 $1,792,212
Upfront products338,204
 248,137
 197,325
Maintenance and service364,864
 263,493
 252,674
Total revenue2,724,880
 2,422,532
 2,242,211
Cost of revenue:     
Products413,203
 346,825
 303,633
Maintenance and service164,872
 94,019
 105,242
Amortization of intangible assets76,109
 102,118
 110,045
Total cost of revenue654,184
 542,962
 518,920
Gross margin2,070,696
 1,879,570
 1,723,291
Operating expenses:     
Research and development908,841
 856,705
 776,229
Sales and marketing549,248
 502,368
 474,407
General and administrative196,844
 165,962
 165,097
Amortization of intangible assets31,614
 27,507
 26,004
Restructuring charges36,586
 9,633
 15,088
Total operating expenses1,723,133
 1,562,175
 1,456,825
Operating income347,563
 317,395
 266,466
Other income (expense), net35,535
 12,153
 15,144
Income (loss) before provision for income taxes383,098
 329,548
 281,610
Provision (benefit) for income taxes246,535
 62,722
 55,676
Net income$136,563
 $266,826
 $225,934
Net income per share:     
Basic$0.91
 $1.76
 $1.46
Diluted$0.88
 $1.73
 $1.43
Shares used in computing per share amounts:     
Basic150,457
 152,017
 154,957
Diluted154,874
 154,721
 158,065


See accompanying notes to consolidated financial statements.



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SYNOPSYS, INC.
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(In thousands)
 Year Ended October 31,
 202120202019
Net income$756,359 $663,447 $532,367 
Other comprehensive income (loss):
Change in foreign currency translation adjustment9,415 30,466 1,360 
Change in unrealized gains (losses) on available-for-sale securities, net of tax of $0 for periods presented(246)— — 
Cash flow hedges:
Deferred gains (losses), net of tax of $(1,736), $(3,192), and $(2,009) for fiscal years 2021, 2020 and 2019, respectively9,860 7,834 4,733 
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $4,593, $176, and $(3,672) for fiscal years 2021, 2020 and 2019, respectively(14,559)73 14,637 
Other comprehensive income (loss), net of tax effects4,470 38,373 20,730 
Comprehensive income760,829 701,820 553,097 
Less: Net income (loss) attributed to non-controlling interest(1,157)(900)— 
Comprehensive income attributed to Synopsys$761,986 $702,720 $553,097 
 Year Ended October 31,
 2017 2016 2015
Net income$136,563
 $266,826
 $225,934
Other comprehensive income (loss):     
Change in foreign currency translation adjustment14,293
 5,808
 (39,567)
Change in unrealized gains (losses) on investments, net of tax of $0, for fiscal years 2017, 2016 and 2015(19) 47
 (28)
Cash flow hedges:     
Deferred gains (losses), net of tax of $(4,380), $4,372, and $7,107 for fiscal years 2017, 2016 and 2015, respectively20,760
 (25,767) (18,614)
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $(168), $(6,253), and $(6,212) for fiscal years 2017, 2016 and 2015, respectively3,564
 20,710
 14,923
Other comprehensive income (loss), net of tax effects38,598
 798
 (43,286)
Comprehensive income$175,161
 $267,624
 $182,648


See accompanying notes to consolidated financial statements.



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SYNOPSYS, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
(In thousands)
Capital in
Excess of
Par
Value
Retained
Earnings
Treasury
Stock
Accumulated
Other
Comprehensive
Income (Loss)
Total 
Synopsys
Stockholders’
Equity
Non-controlling
Interest
Stockholders'
Equity
Common Stock 
Capital in
Excess of
Par
Value
 
Retained
Earnings
 
Treasury
Stock
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Total 
Synopsys
Stockholders’
Equity
 
Non-controlling
Interest
 
Stockholders'
Equity
Common Stock
Shares Amount  SharesAmount
Balance at October 31, 2014155,965
 $1,560
 $1,614,603
 $1,551,592
 $(49,496) $(62,089) $3,056,170
 $
 $3,056,170
Balance at October 31, 2018Balance at October 31, 2018149,265 $1,493 $1,644,830 $2,543,688 $(597,682)$(113,177)$3,479,152 $5,863 $3,485,015 
Net income      225,934
     225,934
   225,934
Net income532,367 532,367 532,367 
Retained earnings adjustment due to adoption of accounting standards related to revenueRetained earnings adjustment due to adoption of accounting standards related to revenue257,594 257,594 257,594 
Retained earnings adjustment due to adoption of an accounting standard related to income taxesRetained earnings adjustment due to adoption of an accounting standard related to income taxes(130,544)(130,544)(130,544)
Other comprehensive income (loss), net of tax effectsOther comprehensive income (loss), net of tax effects20,730 20,730 20,730 
Purchases of treasury stockPurchases of treasury stock(2,732)(27)27 (329,185)(329,185)(329,185)
Common stock issued, net of shares withheld for employee taxesCommon stock issued, net of shares withheld for employee taxes3,798 37 (163,198)(38,961)301,225 99,103 99,103 
Stock-based compensationStock-based compensation153,796 153,796 153,796 
Balance at October 31, 2019Balance at October 31, 2019150,331 $1,503 $1,635,455 $3,164,144 $(625,642)$(92,447)$4,083,013 $5,863 $4,088,876 
Net incomeNet income664,347 664,347 (900)663,447 
Other comprehensive income (loss), net of tax effectsOther comprehensive income (loss), net of tax effects38,373 38,373 38,373 
Purchases of treasury stockPurchases of treasury stock(1,585)(14)14 (242,078)(242,078)(242,078)
Common stock issued, net of shares withheld for employee taxesCommon stock issued, net of shares withheld for employee taxes3,872 39 (230,887)(33,094)379,107 115,165 115,165 
Stock-based compensationStock-based compensation248,584 248,584 248,584 
Balance at October 31, 2020Balance at October 31, 2020152,618 $1,528 $1,653,166 $3,795,397 $(488,613)$(54,074)$4,907,404 $4,963 $4,912,367 
Net incomeNet income757,516 757,516 (1,157)756,359 
Retained earnings adjustment due to adoption of ASC 326Retained earnings adjustment due to adoption of ASC 326(3,200)(3,200)(3,200)
Other comprehensive income (loss), net of tax effects          (43,286) (43,286)   (43,286)Other comprehensive income (loss), net of tax effects4,470 4,470 4,470 
Purchases of treasury stock(5,672) (57) 57
   (260,000)   (260,000)   (260,000)Purchases of treasury stock(2,780)(28)28 (753,081)(753,081)(753,081)
Equity forward contract    (20,000)       (20,000)   (20,000)Equity forward contract(35,000)(35,000)(35,000)
Common stock issued, net of shares withheld for employee taxes4,864
 49
 (74,845) (51,799) 211,121
   84,526
   84,526
Common stock issued, net of shares withheld for employee taxes3,224 31 (387,103)458,828 71,756 71,756 
Stock-based compensation    86,400
       86,400
   86,400
Stock-based compensation345,272 345,272 345,272 
Other    4,245
       4,245
   4,245
Balance at October 31, 2015155,157
 $1,552
 $1,610,460
 $1,725,727
 $(98,375) $(105,375) $3,133,989
 $
 $3,133,989
Net income      266,826
     266,826
   266,826
Other comprehensive income (loss), net of tax effects   ��      798
 798
   798
Purchases of treasury stock(8,506) (85) 20,085
   (420,000)   (400,000)   (400,000)
Common stock issued, net of shares withheld for employee taxes4,803
 48
 (80,735) (44,968) 224,323
   98,668
   98,668
Stock-based compensation    97,583
       97,583
   97,583
Other    (2,718)       (2,718)   (2,718)
Balance at October 31, 2016151,454
 $1,515
 $1,644,675
 $1,947,585
 $(294,052) $(104,577) $3,195,146
 $
 $3,195,146
Net income      136,563
     136,563
   136,563
Retained earnings adjustment due to adoption of an accounting standard related to stock-based compensation    382
 106,107
     106,489
   106,489
Other comprehensive income (loss), net of tax effects          38,598
 38,598
   38,598
Purchases of treasury stock(5,413) (54) 54
   (380,000)   (380,000)   (380,000)
Equity forward contract    (20,000)       (20,000)   (20,000)
Common stock issued, net of shares withheld for employee taxes4,404
 44
 (110,976) (46,382) 247,844
   90,530
   90,530
Stock-based compensation    108,294
       108,294
   108,294
Non-controlling interest in an equity investment            
 4,104
 4,104
Balance at October 31, 2017150,445
 $1,505
 $1,622,429
 $2,143,873
 $(426,208) $(65,979) $3,275,620
 $4,104
 $3,279,724
Balance at October 31, 2021Balance at October 31, 2021153,062 $1,531 $1,576,363 $4,549,713 $(782,866)$(49,604)$5,295,137 $3,806 $5,298,943 
See accompanying notes to consolidated financial statements.

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SYNOPSYS, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In thousands)
Year Ended October 31, Year Ended October 31,
2017 2016 2015 202120202019
Cash flow from operating activities:     Cash flow from operating activities:
Net income$136,563
 $266,826
 $225,934
Net income attributed to SynopsysNet income attributed to Synopsys$757,516 $664,347 $532,367 
Adjustments to reconcile net income to net cash provided by operating activities:     Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and depreciation189,442
 207,032
 211,821
Amortization and depreciation203,676 209,986 201,676 
Reduction of operating lease right-of-use assetsReduction of operating lease right-of-use assets86,645 82,895 — 
Amortization of capitalized costs to obtain revenue contractsAmortization of capitalized costs to obtain revenue contracts64,698 61,185 62,750 
Stock-based compensation108,294
 97,583
 86,400
Stock-based compensation345,272 248,584 155,001 
Allowance for doubtful accounts2,149
 950
 1,300
(Gain) loss on sale of investments8
 (18) (109)
Write-down of long-term investments1,300
 
 
Allowance for credit lossesAllowance for credit losses18,515 20,875 11,669 
Deferred income taxes123,052
 (14,037) 36,883
Deferred income taxes(128,583)(111,526)(82,620)
Other non-cashOther non-cash14,702 3,425 (5,045)
Net changes in operating assets and liabilities, net of acquired assets and liabilities:     Net changes in operating assets and liabilities, net of acquired assets and liabilities:
Accounts receivable2,296
 (43,269) (56,533)Accounts receivable201,706 (236,806)(8,575)
InventoriesInventories(48,046)(55,024)(17,396)
Prepaid and other current assets(28,955) (37,641) (23,106)Prepaid and other current assets(102,174)(11,298)(49,779)
Other long-term assets(40,236) (3,770) (16,259)Other long-term assets(153,037)(83,367)(125,749)
Accounts payable and accrued liabilities137,631
 18,977
 27,568
Accounts payable and accrued liabilities125,133 113,773 (19,280)
Operating lease liabilitiesOperating lease liabilities(82,581)(78,578)— 
Income taxes19,665
 7,098
 (48,878)Income taxes28,855 14,120 19,777 
Deferred revenue(16,644) 86,904
 50,139
Deferred revenue160,325 148,722 125,717 
Net cash provided by operating activities634,565
 586,635
 495,160
Net cash provided by operating activities1,492,622 991,313 800,513 
Cash flows from investing activities:     Cash flows from investing activities:
Proceeds from sales and maturities of short-term investments295,633
 156,350
 109,173
Proceeds from sales and maturities of short-term investments12,850 — — 
Purchases of short-term investments(155,098) (168,712) (238,902)Purchases of short-term investments(161,732)— — 
Proceeds from sales of long-term investments839
 1,785
 
Proceeds from sales of long-term investments— 2,151 6,361 
Purchases of long-term investments
 (1,002) 
Purchases of long-term investments(7,591)(2,762)(3,245)
Purchases of property and equipment(70,328) (66,909) (86,965)Purchases of property and equipment(93,764)(154,717)(198,129)
Cash paid for acquisitions and intangible assets, net of cash acquired(259,202) (60,056) (340,153)
Cash paid for acquisitions, net of cash acquiredCash paid for acquisitions, net of cash acquired(296,017)(201,045)(36,605)
Capitalization of software development costs(3,226) (4,131) (3,682)Capitalization of software development costs(1,976)(4,045)(4,259)
Other2,100
 
 900
Other(800)— — 
Net cash used in investing activities(189,282) (142,675) (559,629)Net cash used in investing activities(549,030)(360,418)(235,877)
Cash flows from financing activities:     Cash flows from financing activities:
Proceeds from credit facility320,000
 185,000
 460,000
Proceeds from credit facilitiesProceeds from credit facilities— 276,489 192,897 
Repayment of debt(380,625) (185,000) (330,425)Repayment of debt(28,061)(288,879)(524,063)
Issuances of common stock126,337
 125,283
 109,764
Issuances of common stock210,719 197,403 156,364 
Payments for taxes related to net share settlement of equity awards(36,730) (26,562) (24,860)Payments for taxes related to net share settlement of equity awards(138,950)(82,225)(57,143)
Purchase of equity forward contract(20,000) 
 (20,000)Purchase of equity forward contract(35,000)— — 
Purchases of treasury stock(380,000) (400,000) (260,000)Purchases of treasury stock(753,081)(242,078)(329,185)
Other(2,102) (5,658) 3,451
Other(4,375)(1,316)(762)
Net cash used in financing activities(373,120) (306,937) (62,070) Net cash used in financing activities(748,748)(140,606)(561,892)
Effect of exchange rate changes on cash and cash equivalents(427) 3,409
 (23,035)
Net change in cash and cash equivalents71,736
 140,432
 (149,574)
Cash and cash equivalents, beginning of year976,620
 836,188
 985,762
Cash and cash equivalents, end of year$1,048,356
 $976,620
 $836,188
Effect of exchange rate changes on cash, cash equivalents and restricted cashEffect of exchange rate changes on cash, cash equivalents and restricted cash2,369 17,154 2,782 
Net change in cash, cash equivalents and restricted cashNet change in cash, cash equivalents and restricted cash197,213 507,443 5,526 
Cash, cash equivalents and restricted cash, beginning of yearCash, cash equivalents and restricted cash, beginning of year1,237,970 730,527 725,001 
Cash, cash equivalents and restricted cash, end of yearCash, cash equivalents and restricted cash, end of year$1,435,183 $1,237,970 $730,527 
Supplemental disclosure of cash flow information:     Supplemental disclosure of cash flow information:
Cash paid for income taxes during the year:$103,478
 $69,447
 $59,731
Cash paid for income taxes during the year:$149,762 $70,711 $75,744 
Interest payments during the year:$7,095
 $3,708
 $2,710
Interest payments during the year:$3,365 $5,136 $12,363 
See accompanying notes to consolidated financial statements.
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS




Note 1. Description of Business
Synopsys, Inc. (Synopsys("Synopsys" or the Company)"the Company") provides software, intellectual propertyproducts and services used by designers across the entire silicon to software spectrum, from engineers creating advanced semiconductors to software developers seeking to ensure the security and quality of their applications.code. The Company is a global leader in supplying the electronic design automation (EDA) software that engineers use to design and test integrated circuits (ICs), also known as chips. The Company also offers semiconductor intellectual property (IP) products, which are pre-designed circuits that engineers use as components of larger chip designs rather than designdesigning those circuits themselves. The Company provides software and hardware used to developvalidate the electronic systems that incorporate chips and the software that runs on them. To complement these offerings, the Company provides technical services and support to help its customers develop advanced chips and electronic systems. These products and services are part of the Company’s Semiconductor & System Design segment.
The Company is also a leading provider of software tools and services that improve the security, quality and qualitycompliance of software code in a wide variety of industries, including electronics, financial services, media, automotive, medicine, energy and industrials. These tools and services are part of the Company’s Software Integrity segment.
Note 2. Summary of Significant Accounting Policies
Fiscal Year End. The Company’s fiscal year generally ends on the Saturday nearest to October 31 and consists of 52 weeks, with the exception that approximately every five years, the Company has a 53-week year. When a 53-week year occurs, the Company includes the additional week in the first quarter to realign fiscal quarters with calendar quarters. Fiscal 2017, 2016,2021, 2020 and 20152019 were 52-week years ending on October 28, 2017, October 29, 2016, and30, 2021, October 31, 2015,2020 and November 2, 2019, respectively. For presentation purposes, the consolidated financial statements and accompanying notes refer to the closest calendar month end. Fiscal 20182022 will be a 53-week52-week year.
Principles of Consolidation. The consolidated financial statements include the accounts of the Company and all of its subsidiaries. All significant intercompany accounts and transactions have been eliminated.
Use of Estimates. To prepare financial statements in conformity with U.S. generally accepted accounting principles (U.S. GAAP), management must make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from these estimates and may result in material effects on the Company’s operating results and financial position.
Comparability. Effective beginning of fiscal 2021, the Company adopted Accounting Standards Codification (ASC) 326, Measurement of Credit Losses on Financial Instruments (ASC 326). Prior periods were not retrospectively recast and accordingly, the consolidated balance sheets as of October 31, 2020 and the consolidated statements of income for the years ended October 31, 2020 and 2019 were prepared using accounting standards that were different than those in effect as of and for the year ended October 31, 2021. Effective beginning in fiscal 2020, the Company adopted ASC 842, Leases (ASC 842). Prior periods were not retrospectively recast, and accordingly the consolidated statements of income for the year ended October 31, 2019 was prepared using accounting standards that were different than those in effect for the years ended October 31, 2021 and 2020.
Foreign Currency Translation. The functional currency of the majority of the Company’s active foreign subsidiaries is the foreign subsidiary’s local currency. Assets and liabilities that are not denominated in the functional currency are remeasured into the functional currency with any related gain or loss recorded in earnings. The Company translates assets and liabilities of its non-U.S. dollar functional currency foreign operations into the U.S. dollar reporting currency at exchange rates in effect at the balance sheet date. The Company translates income and expense items of such foreign operations into the U.S. dollarsdollar reporting currency at average exchange rates for the period. Accumulated translation adjustments are reported in stockholders’ equity, as a component of accumulated other comprehensive income (loss).
Foreign Currency Contracts. The Company operates internationally and is exposed to potentially adverse movements in currency exchange rates. The Company enters into hedges in the form of foreign currency forward contracts to reduce its exposure to foreign currency rate changes on non-functional currency denominated forecasted transactions and balance sheet positions. The assets or liabilities associated with the forward contracts are recorded at fair value in other current assets or accrued liabilities in the consolidated balance sheet.sheets.
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

The accounting for gains and losses resulting from changes in fair value depends on the use of the foreign currency forward contract and whether it is designated and qualifies for hedge accounting. See Note 5.6. Financial Assets and Liabilities.
Fair Values of Financial Instruments. The Company’s cash equivalents, short-term investments and foreign currency contracts are carried at fair value. The fair value of the Company’s accounts receivable and accounts payable approximates the carrying amount due to their short duration. Non-marketable equity securities are carried at cost,accounted for using either the measurement alternative or equity method of accounting, net of impairments. The Company performs periodic impairment analysis overon these non-marketable equity securities. The carrying amount of the short-term debt approximates the estimated fair value. See Note 6.7. Fair Value Measures.
Cash and Cash Equivalents and Short-term Investments. The Company classifies investments with original maturities of three months or less when acquired as cash equivalents. AllDebt securities and other investments with stated maturities longer than three months are classified as short-term investments and the Company may convert these investments into cash at any time to fund general operations. These debt securities and other investments generally have an effective maturity term of the Company’s short-term investmentsless than three years and are classified as available-for-sale and are reportedcarried at fair value, with unrealized gains and losses included in stockholders’ equitythe consolidated balance sheets as a component of accumulated other comprehensive income (loss), net. For available-for-sale debt securities in an unrealized loss position, the Company evaluates whether a current expected credit loss exists based on available information relevant to the credit rating of tax. Those

SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


unrealized gains or losses deemed other than temporary are reflected inthe security, current economic conditions and reasonable and supportable forecasts. The allowance for credit loss is recorded to other income (expense), net.net, on the consolidated statements of income, not to exceed the amount of the unrealized loss. Any excess unrealized loss other than the credit loss is recognized in accumulated other comprehensive income or loss in the stockholders' equity section of the consolidated balance sheets. The cost of securities sold is based on the specific identification method and realized gains and losses are included in other income (expense), net. See Note 5.6. Financial Assets and Liabilities.Liabilities. There were no credit losses on available-for-sale debt securities recognized in the years ended October 31, 2021.
Concentration of Credit Risk.Risk. Financial instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash equivalents, marketable securities, foreign currency contracts, and accounts receivable from trade customers. The Company maintains cash equivalents primarily in highly rated taxable and tax-exempt money market funds located in the U.S. and in various overseas locations.
The Company sells its products worldwide primarily to customers in the global electronics market. The Company performs on-going credit evaluations of its customers’ financial condition and does not require collateral. The Company establishes reserves for potential credit losses and such losses have been within management’s expectations and have not been material in any year presented.
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

Accounts Receivable, Net. The balances consist of accounts receivable billed and unbilled. Unbilled accounts receivable represent amounts recorded as revenue which will be invoiced within one year of the balance sheet date. The following table represents the components of accounts receivable, net:
 October 31,
 20212020
 (in thousands)
Accounts receivable$563,592 $758,341 
Unbilled accounts receivable35,589 50,932 
Total accounts receivable599,181 809,273 
Less allowance for credit losses(30,680)(28,564)
Total accounts receivable, net$568,501 $780,709 
 October 31,
 2017 2016
 (in thousands)
Accounts receivable$393,229
 $394,314
Unbilled accounts receivable63,080
 47,760
Total accounts receivable456,309
 442,074
Less allowance for doubtful accounts(5,165) (3,201)
Total accounts receivable, net$451,144
 $438,873
Allowance for Doubtful Accounts.Credit Losses. Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The Company maintains allowancesan allowance for doubtfulcredit losses for expected uncollectible accounts receivable, which is recorded as an offset to reduce the Company’s receivables to their estimated net realizable value. The Company provides a general reserve on all accounts receivable and changes in such are classified as general and administrative expense in the consolidated statements of income. The allowance for current expected credit losses is based on a review of customer accounts.accounts and considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. The allowance for credit losses is reviewed on a quarterly basis to assess the adequacy of the allowance. The following table presents the changes in the allowance for doubtful accounts:credit losses:
Fiscal YearBalance at
Beginning
of Period
ProvisionsWrite-offs/AdjustmentsBalance at
End of
Period
 (in thousands)
2021$28,564 $18,515 $(16,399)$30,680 
2020$9,046 $20,875 $(1,357)$28,564 
2019$5,613 $11,669 $(8,236)$9,046 
Fiscal Year
Balance at
Beginning
of Period
 Provisions Write-offs(1) 
Balance at
End of
Period
 (in thousands)
2017$3,201
 $2,149
 $(185) $5,165
2016$2,561
 $950
 $(310) $3,201
2015$2,026
 $1,300
 $(765) $2,561
Inventories, net. Inventories are computed at standard costs which approximate actual costs, on a first-in, first-out basis and valued at the lower of cost or net realizable value. Inventories primarily include components and parts used in emulation and prototyping hardware systems. The valuation process includes a review of the stage of the product life cycle and forecasts based upon future demand and market conditions. Inventory provisions are recorded when the costs are determined to be in excess of anticipated demand or considered obsolete. Inventory provisions are impacted by market and economic conditions, technology changes, new product introductions and changes in strategic direction, and require estimates that may include uncertain elements.
(1)Balances written off, net of recoveries.
Income Taxes. The Company accounts for income taxes using the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.
The Company accounts for uncertainty in income taxes using a two-step approach to recognizing and measuring uncertain tax positions. The first step is to evaluate the tax position for recognition by determining whether it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount which is more than 50% likely of being realized upon ultimate settlement. An uncertain tax position is considered effectively settled on completion of an examination by a taxing authority if certain other conditions are satisfied.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


Property and Equipment. Property and equipment is recorded at cost less accumulated depreciation. Assets, excluding land, are depreciated using the straight-line method over their estimated useful lives. Leasehold improvements are amortized using the straight-line method over the remaining term of the lease or the economic useful life of the asset, whichever is shorter. Depreciation expenses were $82.8$119.1 million, $73.8$119.1 million and $71.1 $100.4
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million in fiscal 2017, 20162021, 2020 and 2015,2019, respectively. Repair and maintenance costs are expensed as incurred and such costs were $40.6$62.6 million, $38.8$62.1 million and $32.3$52.5 million in fiscal 2017, 20162021, 2020 and 2015,2019, respectively.
A summary of property and equipment, at cost less accumulated depreciation and amortization, as of October 31, 20172021 and 20162020 is as follows:
 October 31,
 20212020
 (in thousands)
Computer and other equipment$812,161 $788,105 
Buildings134,931 129,746 
Furniture and fixtures73,624 72,702 
Land19,965 19,965 
Leasehold improvements236,064 242,830 
1,276,745 1,253,348 
Less accumulated depreciation and amortization(1)
(804,347)(769,530)
Total$472,398 $483,818 
 October 31,
 2017 2016
 (in thousands)
Computer and other equipment$540,257
 $486,109
Buildings68,877
 68,194
Furniture and fixtures54,882
 51,589
Land20,414
 20,414
Leasehold improvements153,619
 136,773
 838,049
 763,079
Less accumulated depreciation and amortization(1)(572,035) (506,044)
Total$266,014
 $257,035
(1)Accumulated depreciation and amortization includes write-offs due to retirement of fully amortized fixed assets.
(1)Accumulated depreciation and amortization includes write-offs due to retirement of fully amortized fixed assets.
The useful lives of depreciable assets are as follows:
Useful Life in Years
Computer and other equipment3-53 - 8
Buildings30
Furniture and fixtures5
Leasehold improvements (average)5Shorter of the lease term or the estimated useful life
Investments in Equity Securities. The Company holds equity securities in privately held companies for the promotion of business and strategic objectives. These investments are initially recorded at cost and included in other long-term assets in the consolidated balance sheets and are subject to a periodic impairment review . The Company accounts for these investments using the measurement alternative when the fair value of the investment is not readily determinable and the Company does not have the ability to exercise significant influence or using the equity method of accounting when it is determined that the Company has the ability to exercise significant influence. For investments accounted for using the equity method of accounting, the Company records its proportionate share of the investee’s income or loss, net of the effects of any basis differences, to other income, in its consolidated statements of income.
Leases. The Company determines if an arrangement is a lease at inception of the contract, which is the date on which the terms of the contract are agreed to, and the agreement creates enforceable rights and obligations. A contract is or contains a lease when the Company has the right to control the use of an identified asset for a period of time. The commencement date of the lease is the date that the lessor makes an underlying asset available for our use. On the commencement date, leases are evaluated for classification and assets and liabilities are recognized based on the present value of lease payments over the lease term.
The lease term used to calculate the lease liability includes options to extend or terminate the lease when it is reasonably certain that the option will be exercised. The right of use (ROU) asset is initially measured as the amount of lease liability, adjusted for any initial lease costs, prepaid lease payments and any lease incentives. Variable lease payments, consisting primarily of reimbursement of costs incurred by lessors for common area maintenance, real estate taxes and insurance, are not included in the lease liability and are recognized as they are incurred.
As most of the Company's leases do not provide an implicit rate, the Company uses the incremental borrowing rate at lease commencement to measure ROU assets and lease liabilities. The Company uses a benchmark senior
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unsecured yield curve for debt instruments and considers specific credit quality, market conditions, tenor of lease arrangements, and quality of collateral to determine the incremental borrowing rate.
The Company used the incremental borrowing rate as of the date of adoption for all leases that commenced on or prior to that date. Operating lease expense is generally recognized on a straight-line basis over the lease term. The Company has elected the practical expedient to account for the lease and non-lease components as a single lease component for the majority of the Company's asset classes. For leases with a term of one year or less, the Company has elected not to record the ROU asset or liability.
Goodwill. Goodwill represents the excess of the aggregate purchase price over the fair value of the net tangible and identifiable intangible assets acquired by the Company. The carrying amount of goodwill at each reporting unit is tested for impairment annually as of October 31, or more frequently if facts and circumstances warrant a review.
The Company determined that itperforms a qualitative analysis when testing a reporting unit’s goodwill for impairment. A qualitative goodwill impairment test is performed when the fair value of a single reporting unit for the purpose of goodwill impairment tests. For purposes of assessing the impairment of goodwill, the Company estimates the value of the reporting unit using its market capitalization as the best evidence of fair value. This fair value is then compared tohistorically has significantly exceeded the carrying value of its net assets and based on current operations is expected to continue to do so. Otherwise, the Company is required to conduct a quantitative impairment test for each reporting unit. During fiscal 2017, 2016unit and 2015,estimate the fair value of each reporting unit using a combination of an income approach based on discounted cash flow analysis and a market approach based on market multiples. The discount rate used in the income approach is based on the Company's weighted-average cost of capital and may be adjusted for the relevant risks pertaining to projecting future cash flows. If the fair value of a reporting unit is less than its carrying value, a goodwill impairment charge is recorded for the difference. As of October 31, 2021, the Company performed a qualitative impairment test on each reporting unit and concluded there werewas no indicatorsimpairment of impairment to goodwill.
Intangible Assets. Intangible assets consist of acquired technology, certain contract rights, customer relationships, trademarks and trade names, covenants not to compete, capitalized software, and in-process research and development. These intangible assets are acquired through business combinations, direct purchases, or internally developed capitalized software. Intangible assets are amortized on a straight-line basis over their estimated useful lives which range from one to ten years.years, except for in-process research and development (IPR&D) projects not yet completed. IPR&D assets are amortized over their estimated useful lives upon completion or are written off upon abandonment.
The Company continually monitors events and changes in circumstances that could indicate carrying amounts of long-lived assets, including property and equipment and intangible assets, may not be recoverable. When such events or changes in circumstances occur, the Company assesses the recoverability of long-lived assets by determining whether the carrying value of such asset group will be recovered through the undiscounted future cash flow. If the undiscounted future cash flow is less than the carrying amount of the asset group, the Company recognizes an impairment loss based on the excess of the carrying amount over the fair value of the asset group. The Company had no impairments of anyimpairment charges for long-lived assets in fiscal 2017, 2016 or 2015.2021, 2020 and 2019.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


Restructuring Charges. DuringIn the third quarter of fiscal 2017,2021, the Company recorded $36.6 million ofinitiated a restructuring chargesplan for severance and benefits due to involuntary and voluntary employee termination actions.and facility closure actions as part of a business reorganization. The total charges under the 2021 restructuring actions were undertakenplan (the 2021 Plan) are expected to positionbe in the range of $42 million to $53 million and will consist primarily of severance, retirement benefits under the 2021 Voluntary Retirement Program (VRP) and lease abandonment costs. The 2021 Plan and VRP are expected to be completed in the first quarter of fiscal 2022.
During fiscal 2021, the Company for future growth, reallocate resources to priority areas,recorded restructuring charges of $33.4 million and to a lesser extent, eliminate operational redundancy.made payments of $19.2 million under the 2021 Plan. As of October 31, 2021, $14.2 million of payroll and related benefits liabilities remained outstanding and was recorded in accounts payable and accrued liabilities in the consolidated balance sheets.
During fiscal 2020, the Company incurred restructuring charges of $36.1 million under the 2019 restructuring plan. These charges consistconsisted primarily of severance and retirement benefits. As of October 31, 2017, there was a $17.5 million outstanding balance remaining in accounts payable and accrued liabilities as payroll and related benefits in the consolidated balance sheets. Payments under the 2017 restructuring plans are expected to be completed by the end of the second quarter of fiscal 2018.
During fiscal 2016, the Company recorded $9.6 million of restructuring charges for severance and benefits due to involuntary employee terminations, of which $3.9$57.4 million was paid in fiscal 2016.2020 which included payments of remaining balances in fiscal 2019. As of October 31, 2016, there2020, $1.3 million remained outstanding and was a $5.7 million outstanding balance remainingrecorded in accounts payable and accrued liabilities as payroll and related benefits in the consolidated balance sheets. The remaining balance was paid in fiscal 2017.2021.
During fiscal 2019, the Company incurred restructuring charges of approximately $47.2 millionfor involuntary employee termination actions and the VRP. As of October 31,2020, no amounts remained outstanding.
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Accounts Payable and Accrued Liabilities. The balance consistsconsisted of:
 October 31,
 20212020
 (in thousands)
Payroll and related benefits$581,687 $492,626 
Other accrued liabilities85,648 101,035 
Accounts payable27,413 30,003 
Total$694,748 $623,664 
 October 31,
 2017 2016
 (in thousands)
Payroll and related benefits$382,773
 $321,430
Other accrued liabilities97,119
 66,276
Accounts payable19,954
 13,745
Total$499,846
 $401,451
Other Long-term Liabilities. The balance consistsconsisted of:
 October 31,
 20212020
 (in thousands)
Deferred compensation liability (See Note 12)
$343,820 $269,737 
Other long-term liabilities19,720 14,774 
Total$363,540 $284,511 
 October 31,
 2017 2016
 (in thousands)
Deferred compensation liability (See Note 10)
$197,542
 $163,185
Other long-term liabilities54,485
 47,670
Total$252,027
 $210,855
Other Comprehensive Income (Loss). Other comprehensive income (loss) (OCI) includes all changes in equity during a period, such as accumulated net translation adjustments, unrealized gain (loss) on certain foreign currency forward contracts that qualify as cash flow hedges, reclassification adjustments related to cash flow hedges and unrealized gain (loss) on investments. See Note 810. Accumulated Other Comprehensive Income (Loss).
Revenue Recognition. The Company recognizes revenue for the transfer of services or products to customers in an amount that reflects the consideration to which the Company expects to be entitled in exchange for those services or products. The principle is achieved through the following five-step approach:
Identification of the contract, or contracts, with the customer
Identification of the performance obligation in the contract
Determination of the transaction price 
Allocation of the transaction price to the performance obligations in the contract 
Recognition of revenue when, or as, the Company satisfies a performance obligation 
Nature of Products and Services
The Company generates revenue from the licensing of our EDA software, IP Blocks, and Software Integrity products, as well as sale of hardware products, that include software licenses,and maintenance and services and to a lesser extent, hardware products. services. The various types are set forth below.
Electronic Design Automation
Software license revenue consists of fees associated with the licensing of the Company's software. Maintenance and service revenue consists of maintenance fees associated with perpetual licenses and professional services fees. Hardware revenue consists of sales of Field Programmable Gate Array (FPGA)-based emulation and prototyping products.
Most of the Company's customer arrangements are complex, involving hundreds of products and various license rights, bundled with post-contract customer support and additional meaningful rights that provide a complete end-to-end solution to the customer. Throughout the contract, the Company's customers are typically using a myriad of products to complete each phase of a chip design and are concurrently working on multiple chip designs, or projects, in different phases of the design. During this time, the customer looks to the Company to release state-of-the-art technology to address requested enhancements to the Company's tools to meet customer specifications, to provide support at each stage of the customer’s design, including the final manufacturing of the chip (the tape out stage), and other important services.
With respect to software licenses, the Company utilizes primarily two license types:
through Technology Subscription Licenses (TSLs).License (TSL) contracts. TSLs are time-based licenses for a finite term and generally provide the customer with limited rights to receive, or to exchange certain quantities of licensed software for, unspecified future technology. The majority of the Company's arrangements are TSLs due to the nature of theits business and customer requirements. In addition to the licenses, the

SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


arrangements also include: post-contract customer support, which includes providing frequent updates and upgrades to maintain the utility of the software due to rapid changes in technology; other intertwined services such as multiple copies of the tools; assisting the Company's customers in applying the Company's technology in theirthe customers' development environment; and rights to remix licenses for other licenses.
Perpetual licenses. Perpetual licenses continue as long as the customer renews maintenance plus an additional 20 years. Perpetual licenses do not provide the customer any rights to receive, Payments are generally received in equal or to exchange licensed software for, unspecified future technology. Customers purchase maintenance separately for the first year and may renew annually.
For the two software license types, the Company recognizes revenue as follows:
TSLs. The Company typically recognizes revenue from TSL fees ratablynear equal installments over the term of the license period, or as customer installments become due and payable, whichever is later. Revenue attributable to TSLs is reported as “time-based products revenue” in the consolidated statements of operations.
Perpetual licenses. The Company recognizes revenue from perpetual licenses in full upon shipment of the software if payment terms require the customer to pay at least 75% of the license fee and 100% of the maintenance fee within one year from shipment and all other revenue recognition criteria are met. Revenue attributable to these perpetual licenses is reported as “upfront products revenue” in the consolidated statements of operations. For perpetual licenses in which less than 75% of the license fee and 100% of the maintenance fee is payable within one year from shipment, the Company recognizes revenue as customer installments become due and payable. Such revenue is reported as “time-based products revenue” in the consolidated statements of operations.
The Company's maintenance and service revenue primarily consists of maintenance fees associated with perpetual licenses and hardware products, and professional services fees. The Company recognizes revenue from maintenance arrangements ratably over the maintenance period to the extent cash has been received or fees become due and payable, and recognizes revenue from professional services and training fees as such services are performed and accepted by the customers as needed. Revenue attributable to maintenance, professional services and training is reported as “maintenance and service revenue” in the consolidated statements of operations.
Hardware revenue consists of sales of FPGA-based emulation and prototyping products. The Company recognizes revenue from sales of hardware products in full upon shipment if all other revenue recognition criteria are met. Revenue attributable to these sales is reported as “upfront products revenue” in the consolidated statements of operations.
Infrequently, the Company enters into certain license arrangements wherein licenses are provided for a finite term without any other services or rights, including rights to receive, or to exchange licensed software for, unspecified future technology. The Company recognizes revenue from these term licenses in full upon shipment of the software and when all other revenue recognition criteria are met.
The Company also enters into arrangements in which portions of revenue are contingent upon the occurrence of uncertain future events, for example, royalty arrangements. The Company refers to this revenue as “contingent revenue.” Contingent revenue is recognized if and when the event that removes the contingency occurs. Such revenue is reported as “time-based products revenue” in the consolidated statements of operations. These arrangements are not material to the Company’s total revenue.
The Company infrequently enters into multiple-element arrangements that contain both software and non-software deliverables such as hardware.arrangement. The Company has determinedconcluded that its software licenses in TSL contracts are not distinct from its obligation to provide unspecified software updates to the licensed software throughout the license term. Such updates represent inputs to a single, combined performance obligation, commencing upon the later of the arrangement effective date or transfer of control to the software and non-software deliverables in the Company’s contracts are separate units of accounting. The Company recognizes revenue for the separate units of accounting when all revenue recognition criteria are met. Revenue allocated to hardware units of accounting is recognized upon shipment when all other revenue recognition criteria are met. Revenue allocated to software units of accounting is recognized depending on the software license type (TSL or perpetual license). Such arrangements have not had a material effect on the Company’s consolidated financial statements andlicense. Remix rights are not expected to have a material effect in future periods.an additional

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promised good or service in the contract, and where unspecified additional software product rights are part of the contract with the customer, such rights are accounted for as part of the single performance obligation that includes the licenses, updates, and technical support because such rights are provided for the same period of time and have the same pattern of transfer to the customer over the duration of the subscription term. 
IP & System Integration
The Company also enters intogenerally licenses IP under nonexclusive license agreements that provide usage rights for specific applications. Additionally, for certain IP license agreements, royalties are collected as customers sell their own products that incorporate the Company’s IP. These arrangements generally have two distinct performance obligations that consist of transferring the licensed IP and the post contract support service. Support services consist of a stand-ready obligation to deliverprovide technical support and software products, either alone or together with other products or services, that require significant modification or customizationupdates over the support term. Revenue allocated to the IP license is recognized at a point in time upon the later of the software. delivery date or the beginning of the license period, and revenue allocated to support services is recognized ratably over the support term. Royalties are recognized as revenue is earned, generally when the customer sells its products that incorporate the Company’s IP. 
Software Integrity Products
Software Integrity product arrangements provide customers the right to software licenses, software updates and technical support. Under the term of these arrangements, the customer expects to receive integral updates to the software licenses that protect the customer’s software from potential security vulnerabilities. The licenses and software updates together serve to fulfill the Company’s commitment to the customer, as they represent inputs to a single, combined performance obligation that commences upon the later of the arrangement effective date or transfer of the software license. Software updates are part of the contract with the customer, and such rights are accounted for as part of the single performance obligation that includes the licenses, updates, and technical support because such rights are provided for the same period of time and have the same time-based pattern of transfer to the customer.
Hardware
The Company accounts for suchgenerally has two performance obligations in arrangements usinginvolving the percentagesale of completion methodhardware products. The first performance obligation is to transfer the hardware product, which includes embedded software integral to the functionality of the hardware product. The second performance obligation is to provide maintenance on the hardware and its embedded software, including rights to technical support, hardware repairs and software updates that are all provided over the same term and have the same time-based pattern of transfer to the customer. The portion of the transaction price allocated to the hardware product is recognized as revenue at a point in time when control of the hardware is transferred to the customer. The Company has concluded that control generally transfers upon shipment because the customer has the ability to make reasonably dependable estimatesdirect the use of the asset and an obligation to pay for the hardware. The portion of the transaction price allocated to maintenance is recognized as revenue that relateis ratable over the maintenance term.
Professional Services
The Company's arrangements often include service elements (other than maintenance and support services). These services include training, design assistance, and consulting. These services are generally performed on a time and materials basis, and are recognized over time, as the customer simultaneously receives and consumes the benefit provided. Certain arrangements also include the customization or modification of licensed IP. Revenue from these contracts is recognized over time as the services are performed, when the development is specific to the extentcustomer’s needs and Synopsys has enforceable rights to payment for performance completed. Inputs such as costs incurred and hours expended are used in order to measure progress of progress toward completion, contract revenues and costs. The Company measures the progress towards completion using the labor hours incurred to complete the project. Revenue attributable to these arrangements is reported as “maintenance and service revenue” in the consolidated statements of operations.
The Company determines the fair value of each element in multiple element software arrangements that only contain software and software-related deliverables based on vendor-specific objective evidence (VSOE). The Company limits assessment of VSOE of fair value for each element to the price charged when such element is sold separately.performance. The Company has analyzed alla history of accurately estimating project status and the elements included in multiple-element software arrangements and has determined that the Company has sufficient VSOEcosts necessary to allocate revenue to the maintenance components of the Company’s perpetual license products and to professional services. Accordingly, assuming all other revenue recognition criteria are met, the Company recognizes license revenue from perpetual licenses upon delivery using the residual method, recognizes revenue from maintenance ratably over the maintenance term, and recognizes revenue from professional services as services are performed and accepted by the customer. With respect to TSL arrangements, due to the complexity of the tools, the complexity of the arrangement terms and intertwined services, the license, maintenance and other services are not separable and are considered as a combined unit. Additionally, the Company does not have sufficient VSOE of fair value to allocate the fee between these services. Therefore, the Company recognizes revenue from TSLs ratably over the term of the license, assuming all other revenue recognition criteria are met.
Revenue recognition involves certain judgments, specifically, in connection with each transaction involving the Company’s products, the Company must evaluate whether: (1) persuasive evidence of an arrangement exists, (2) delivery of software or services has occurred, (3) the fee for such software or services is fixed or determinable, and (4) collectability is probable. All four of these criteria must be met in order for the Company to recognize revenue with respect to a particular arrangement. The Company applies these revenue recognition criteria as follows:
Persuasive Evidence of an Arrangement Exists. Prior to recognizing revenue on an arrangement, the Company’s customary policy is to have a written contract, signed by both the customer and by the Company or a purchase order from those customers that have previously negotiated a standard end-user license arrangement or purchase agreement.
Delivery Has Occurred. The Company delivers its products to its customers electronically or physically. For electronic deliveries, delivery occurs when the Company provides access to its customers to take immediate possession of the software through downloading it to the customer’s hardware. For physical deliveries, the standard transfer terms are typically Freight on Board (FOB) shipping point. The Company generally ships its products or license keys promptly after acceptance of customer orders. However, acomplete projects. A number of internal and external factors can affect these estimates, including labor rates, utilization and efficiency variances, specification and testing requirement changes, and changes in customer delivery priorities. Payments for services are generally due upon milestones in the timing of product shipments and, as a result, timing of revenue recognition, including the delivery dates requested by customers and the Company's operational capacity to fulfill product orders at the end of a fiscal quarter.
The Fee is Fixedcontract or Determinable. The Company’s determination that an arrangement fee is fixed or determinable depends principally on the arrangement’s payment terms. The Company’s standard payment terms for perpetual licenses require 75% or moreupon consumption of the license fee and 100%hourly resources.
Flexible Spending Accounts
Our customers frequently enter into non-cancelable Flexible Spending Account arrangements (FSA) whereby the customer commits to a fixed dollar amount over a specified period of the maintenance feetime that can be used to be paid within one year. If the arrangement includes these terms, the Company regards the fee as fixed or determinable, and recognizes all license revenue under the arrangement in full upon delivery (assuming all other revenue recognition criteria are met). If the arrangement does not include these terms, the Company does not consider the fee to be fixed or determinable and generally recognizes revenue when customer installments are due and payable. In the casepurchase from a list of a TSL, because of the right to exchange products or receive unspecified future technology and because VSOE for maintenance services does not exist for a TSL, the Company recognizes revenue ratably over the term of the license, but not in advance of when customers’ installments become due and payable.
Collectability is Probable. The Company judges collectability of the arrangement fees on a customer-by-customer basis pursuant to its credit review policy. The Company typically sells to customers with

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Synopsys products or services. These arrangements do not meet the definition of a revenue contract until the customer executes a separate order (pulldown request) to identify the required products and services that they are purchasing. The combination of the FSA arrangement and the subsequent order creates enforceable rights and obligations, thus meeting the definition of a revenue contract. Each separate order under the agreement is treated as an individual contract and accounted for based on the respective performance obligations included within the pulldown requests.
whomSignificant Judgments
The Company’s contracts with customers often include promises to transfer multiple products and services to a customer. Determining whether services and products are considered distinct performance obligations that should be accounted for separately versus together requires significant judgment. The Company has concluded that (1) its EDA software licenses in TSL contracts are not distinct from its obligation to provide unspecified software updates to the licensed software throughout the license term, because those promises represent inputs to a single, combined performance obligation, and (2) where unspecified additional software product rights are part of the contract with the customer, such rights are accounted for as part of the single performance obligation that includes the licenses, updates, and technical support, because such rights are provided for the same period of time and have the same time-based pattern of transfer to the customer. In reaching this conclusion, the Company considered the nature of the obligation to customers which is to provide an ongoing right to use the most up to date and relevant software. As EDA customers operate in a rapidly changing and competitive environment, satisfying the obligation requires providing critical updates to the existing software products, including ongoing iterative interaction with customers to make the software relevant to customers’ ability to meet the time to go to market with advanced products.
Similarly, the Company also concluded that in its Software Integrity business, the licenses and maintenance updates serve together to fulfill the Company’s commitment to the customer as both work together to provide the functionality to the customer and represent a combined performance obligation because the updates are essential to the software’s central utility, which is to identify security vulnerabilities and other threats.
The Company’s contracts with customers can involve hundreds of products and various license rights. Customers often negotiate a broad portfolio of solutions, and favorable terms along with future purchase options to manage their overall costs. Determining whether the purchase options are considered distinct performance obligations that should be accounted for separately as material rights versus combined together may require significant judgment.
Judgment is also required to determine the standalone selling price (SSP) for each distinct performance obligation. For non-software performance obligations (IP, Hardware, and services), SSP is established based on observable prices of products and services sold separately. SSP for license (and related updates and support) in a contract with multiple performance obligations is determined by applying a residual approach whereby all other non-software performance obligations within a contract are first allocated a portion of the transaction price based upon their respective SSP, using observable prices, with any residual amount of the transaction price allocated to the license because the Company does not sell the license separately, and the pricing is highly variable.
Contract Balances
The timing of revenue recognition may differ from the timing of invoicing to customers, and these timing differences result in receivables (billed or unbilled), contract assets, or contract liabilities (deferred revenue) on the Company’s consolidated balance sheet. The Company records a contract asset when revenue is recognized prior to the right to invoice, or deferred revenue when revenue is recognized subsequent to invoicing. For time-based software agreements, customers are generally invoiced in equal, quarterly amounts, although some customers prefer to be invoiced in single or annual amounts. The Company records an unbilled receivable when revenue is recognized and it has a history of successful collection. For a new customer, or when an existing customer substantially expands its commitments, the Company evaluates the customer’s financial positionunconditional right to invoice and ability to pay and typically assigns a credit limit based on that review. The Company increases the credit limit only after it has established a successful collection history with the customer. If the Company determines at any time that collectability is not probable under a particular arrangement based upon its credit review process or the customer’s payment history, the Company recognizes revenue under that arrangement as customer payments are actually received.receive payment.
Warranties and Indemnities. The Company generally warrants its products to be free from defects in media and to substantially conform to material specifications for a period of 90 days for software products and for up to six months for hardware systems. In certain cases, the Company also provides its customers with limited indemnification with respect to claims that their use of the Company’s software products infringes on United States patents, copyrights, trademarks or trade secrets. The Company is unable to estimate the potential impact of these commitments on the future results of operations. To date, the Company has not been required to pay any material warranty claims.
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Net Income Per Share. The Company computes basic net income per share by dividing net income available to common shareholdersstockholders by the weighted average number of common shares outstanding during the period. Diluted net income per share reflects the dilution from potential common shares outstanding such as stock options and unvested restricted stock units and awards during the period using the treasury stock method.
The table below reconciles the weighted average common shares used to calculate basic net income per share with the weighted average common shares used to calculate diluted net income per share:
 Year Ended October 31,
 202120202019
 (in thousands, except per share amounts)
Numerator:
Net income attributed to Synopsys$757,516 $664,347 $532,367 
Denominator:
Weighted average common shares for basic net income per share152,698 151,135 149,872 
Dilutive effect of common share equivalents from equity-based compensation4,642 4,571 4,318 
Weighted average common shares for diluted net income per share157,340 155,706 154,190 
Net income per share:
Basic$4.96 $4.40 $3.55 
Diluted$4.81 $4.27 $3.45 
Anti-dilutive employee stock-based awards excluded(1)
408 97 171 
(1)These stock options and unvested restricted stock units were anti-dilutive for the respective periods and are excluded in calculating diluted net income per share. While such awards were anti-dilutive for the respective periods, they could be dilutive in the future.
Recently Adopted Accounting Pronouncements
Beginning in fiscal 2021, the Company adopted ASC 326, which was issued by the Financial Accounting Standards Board (FASB) in June 2016 as Accounting Standards Update (ASU) No. 2016-13 Financial Instruments – Credit Losses (ASC 326): Measurement of Credit Losses on Financial Instruments. The ASU replaced previous incurred loss impairment guidance and established a single expected credit losses allowance framework for financial assets carried at amortized cost. It also eliminated the concept of other-than-temporary impairment and requires credit losses related to certain available-for-sale debt securities to be recorded through an allowance for credit losses. The Company adopted ASC 326 using the modified retrospective method, which requires a cumulative-effect adjustment to the opening balance of retained earnings to be recognized on the date of adoption and, accordingly, recorded a net decrease of $3.2 million to retained earnings as of beginning of fiscal 2021. Please see the “Allowance for Credit Losses” accounting policy above.
Recent Accounting Pronouncements Not Yet Adopted
In October 2021, the FASB issued ASU 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers. The new guidance requires contract assets and contract liabilities acquired in a business combination to be recognized and measured by the acquirer on the acquisition date in accordance with ASC 606, Revenue from Contracts with Customers, as if it had originated the contracts. Under the current business combinations guidance, such assets and liabilities are recognized by the acquirer at fair value on the acquisition date. The new standard is effective for the Company’s fiscal year beginning on November 1, 2023. Early adoption is permitted. The standard will not impact acquired contract assets or liabilities from business combinations occurring prior to the effective date of adoption, and the impact in future periods will depend on the contract assets and contract liabilities acquired in future business combinations.
In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting (ASU 2020-04) and also issued subsequent amendments to the
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Numerator:     
Net income$136,563
 $266,826
 $225,934
Denominator:     
Weighted average common shares for basic net income per share150,457
 152,017
 154,957
Dilutive effect of common share equivalents from equity-based compensation4,417
 2,704
 3,108
Weighted average common shares for diluted net income per share154,874
 154,721
 158,065
Net income per share:     
Basic$0.91
 $1.76
 $1.46
Diluted$0.88
 $1.73
 $1.43
Anti-dilutive employee stock-based awards excluded(1)345
 1,971
 1,363
initial guidance (collectively, Topic 848). Topic 848 provides optional guidance for contract modifications and certain hedging relationships associated with the transition from reference rates that are expected to be discontinued. The Company will adopt Topic 848 when the relevant contracts are modified upon transition to alternative reference rates. The Company does not expect the adoption of Topic 848 will have a material impact on the consolidated financial statements.
(1)These stock options and unvested restricted stock units were anti-dilutive for the respective periods and are excluded in calculating diluted net income per share. While such awards were anti-dilutive for the respective periods, they could be dilutive in the future.

Note 3. Revenue
Disaggregated Revenue
The following table shows the percentage of revenue by product groups:
202120202019
EDA55.5 %57.4 %58.4 %
IP & System Integration34.8 %32.6 %31.4 %
Software Integrity Products & Services9.4 %9.7 %10.0 %
Other0.3 %0.3 %0.2 %
Total100.0 %100.0 %100.0 %

Contract Balances
The contract assets indicated below are presented as prepaid and other current assets in the consolidated balance sheets. The contract assets are transferred to receivables when the rights to invoice and receive payment become unconditional. Unbilled receivables are presented as accounts receivable, net, in the consolidated balance sheets.
Contract balances are as follows:
As of October 31,
20212020
 (in thousands)
Contract assets, net$284,574 $214,583 
Unbilled receivables$35,589 $50,932 
Deferred revenue$1,653,926 $1,493,113 
During fiscal 2021, the Company recognized $1.2 billion of revenue that was included in the deferred revenue balance as of October 31, 2020. During fiscal 2020, the Company recognized $1.1 billion of revenue that was included in the deferred revenue balance as of October 31, 2019.
Contracted but unsatisfied or partially unsatisfied performance obligations were approximately $6.9 billionas of October 31, 2021, which includes $890.9 million in non-cancellable FSA commitments from customers where actual product selection and quantities of specific products or services are to be determined by customers at a later date. The Company has elected to exclude future sales-based royalty payments from the remaining performance obligations. Approximately 40% of the contracted but unsatisfied or partially unsatisfied performance obligations as of October 31, 2021, excluding non-cancellable FSA, are expected to be recognized over the next 12 months with the remainder recognized thereafter.
During fiscal 2021, the Company recognized $116.7 million from performance obligations satisfied from sales-based royalties earned during the periods. During fiscal 2020, the Company recognized $102.4 million from performance obligations satisfied from sales-based royalties earned during the periods.
Costs of Obtaining a Contract with Customer
The incremental costs of obtaining a contract with a customer, which consist primarily of direct sales commissions earned upon execution of the contract, are required to be capitalized under ASC 340-40 and amortized over the estimated period of which the benefit is expected to be received. As direct sales commissions paid for renewals are commensurate with the amounts paid for initial contracts, the deferred incremental costs will be recognized over the contract term. Capitalized direct commission costs, net of accumulated amortization, as of October 31, 2021 were $92.2 million and are included in other assets in the Company’s consolidated balance sheets. Amortization was
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

$64.7 million during fiscal 2021 and is included in sales and marketing expense in the Company’s consolidated statements of income. Capitalized direct commission costs, net of accumulated amortization, as of October 31, 2020 were $81.3 million and are included in other assets in the Company’s consolidated balance sheets. Amortization was $61.2 million during fiscal 2020 and is included in sales and marketing expense in the Company’s consolidated statements of income.
Note 3.4. Business Combinations
Fiscal 20172021 Acquisitions
During fiscal 2017,2021, the Company completed several acquisitions withfor an aggregated total purchaseaggregate consideration of $259.7$298.9 million, net of cash acquired. The Company assumed unvested stock options with a fair value of $4.4 million using the Black-Scholes option-pricing model and will expense the options over their remaining service periods on a straight-line basis. The Company does not consider these acquisitions to be material, individually or in the aggregate, to the Company’s consolidated financial statements.statements of income. The preliminary purchase price allocations resulted in $178.5are $109.3 million of identifiable intangible assets and $204.5 million in goodwill, of which $11.9$158.8 million is attributable to the Semiconductor & System Design reporting segment and $45.7 million is attributable to the Software Integrity reporting segment.
Approximately $34.0 million of the goodwill related to the fiscal 2021 acquisitions will be deductible for tax purposes, and $95.7purposes.
Fiscal 2020 Acquisitions
During fiscal 2020, the Company completed several acquisitions for an aggregate consideration of $238.3 million, net of acquiredcash acquired. The Company does not consider these acquisitions to be material, individually or in the aggregate, to the Company's consolidated statements of income. The preliminary purchase allocations are $65.3 million of identifiable intangible assets, valued usingand $173.7 million in goodwill, of which $160.4 million is attributable to the income or cost method. The intangible assets are being amortized over their respective useful lives ranging from oneSemiconductor & System Design reporting segment and $13.3 million is attributable to seven years. The acquisition-related costs for these acquisitions totaling $6.5 million were expensed as incurred in the consolidated statement of operations. The Company funded the acquisitions with existing cash and debt.Software Integrity reporting segment.
The preliminary fair value estimates for the assets acquired and liabilities assumed for all acquisitions completed within 12 months from the acquisitions during the fourth quarter of fiscal 2017applicable acquisition date are not yet finalized and may change as additional information becomes available during the respective measurement periods. The primary areas of those preliminary estimates relate to certain tangible assets and liabilities, identifiable intangible assets, and income taxes. Additional information, which existed
Acquisition-Related Transaction Costs
Transaction costs were $15.4 million and $14.1 million during fiscal2021 and 2020, respectively. These costs consist of professional fees and administrative costs and were expensed as incurred in the Company’s consolidated statements of the acquisition date but is yet unknown to the Company, may become known to the Company during the remainder of the measurement period, a period not to exceed 12 months from the acquisition date. Changes to the provisional amounts recorded as assets or liabilities during the measurement period may result in an adjustment to goodwill.income.
Note 4.5. Goodwill and Intangible Assets
Goodwill:
 (in thousands)
Balance at October 31, 2015$2,471,241
Additions39,172
Adjustments435
Effect of foreign currency translation7,397
Balance at October 31, 2016$2,518,245
Additions178,545
Effect of foreign currency translation10,184
Balance at October 31, 2017(1)$2,706,974
(1)There is no impairment of goodwill for periods presented.
IntangibleThe Company has 2 reporting units and has assigned assets asand liabilities to each of the reporting units based on each unit's operating activities. No impairment of goodwill was identified for any periods presented. Goodwill activity by reportable segment for the year ended October 31, 2017 consist2021 consisted of the following:
 Semiconductor & System DesignSoftware IntegrityTotal
(in thousands)
Balance at October 31, 2020$2,939,512 $425,602 $3,365,114 
Additions158,760 45,709 204,469 
Effect of foreign currency translation6,202 — 6,202 
Balance at October 31, 2021$3,104,474 $471,311 $3,575,785 
65

 Gross Assets 
Accumulated
Amortization
 Net Assets
 (in thousands)
Core/developed technology$647,975
 $526,796
 $121,179
Customer relationships278,811
 166,886
 111,925
Contract rights intangible174,615
 172,178
 2,437
Trademarks and trade names25,329
 17,401
 7,928
In-process research and development (IPR&D)(2)6,600
 
 6,600
Capitalized software development costs32,868
 29,094
 3,774
Total$1,166,198
 $912,355
 $253,843
(2)IPR&D is reclassified to core/developed technology upon completion or is written off upon abandonment.



SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued



Goodwill activity by reportable segment for the year ended October 31, 2020 consisted of the following:
 Semiconductor & System DesignSoftware IntegrityTotal
(in thousands)
Balance at October 31, 2019$2,758,926 $412,253 $3,171,179 
Additions160,447 13,285 173,732 
Adjustments59 — 59 
Effect of foreign currency translation20,080 64 20,144 
Balance at October 31, 2020$2,939,512 $425,602 $3,365,114 
Intangible assets as of October 31, 2016 consist2021 consisted of the following:
Gross AssetsAccumulated
Amortization
Net Assets
 (in thousands)
Core/developed technology$911,903 $748,759 $163,144 
Customer relationships404,571 308,355 96,216 
Contract rights intangible193,317 188,231 5,086 
Trademarks and trade names43,095 31,155 11,940 
Capitalized software development costs46,098 43,352 2,746 
Total$1,598,984 $1,319,852 $279,132 
 Gross Assets 
Accumulated
Amortization
 Net Assets
 (in thousands)
Core/developed technology$610,812
 $460,722
 $150,090
Customer relationships235,997
 139,932
 96,065
Contract rights intangible171,248
 162,183
 9,065
Trademarks and trade names20,729
 13,821
 6,908
Capitalized software development costs29,642
 25,109
 4,533
Total$1,068,428
 $801,767
 $266,661

Intangible assets as of October 31, 2020 consisted of the following:
Gross AssetsAccumulated
Amortization
Net Assets
 (in thousands)
Core/developed technology$827,232 $703,009 $124,223 
Customer relationships380,838 277,219 103,619 
Contract rights intangible192,812 186,763 6,049 
Trademarks and trade names43,096 28,716 14,380 
In-process research and development (IPR&D)1,214 — 1,214 
Capitalized software development costs44,122 39,285 4,837 
Total$1,489,314 $1,234,992 $254,322 
Amortization expense related to intangible assets consisted of the following:
 Year Ended October 31,
 202120202019
 (in thousands)
Core/developed technology$46,049 $47,890 $56,163 
Customer relationships31,478 35,075 37,533 
Contract rights intangible2,413 5,181 3,581 
Trademarks and trade names2,440 3,135 3,637 
Capitalized software development costs(1)
4,067 3,723 2,868 
Total$86,447 $95,004 $103,782 
(1)Amortization of capitalized software development costs is included in cost of products revenue in the consolidated statements of income.
66

 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Core/developed technology$65,916
 $85,331
 $76,674
Customer relationships27,340
 24,594
 23,104
Contract rights intangible10,886
 16,543
 33,350
Trademarks and trade names3,580
 3,156
 2,900
Capitalized software development costs(3)3,986
 3,697
 3,653
Total$111,708
 $133,321
 $139,681

(3)Amortization of capitalized software development costs is included in cost of products revenue in the consolidated statements of operations.
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

The following table presents the estimated future amortization of intangible assets:assets as of October 31, 2021:
Fiscal Year(in thousands)
2022$81,778 
202363,744 
202452,895 
202536,793 
202624,368 
2027 and thereafter19,554 
Total$279,132 
Fiscal Year(in thousands)
2018$88,907
201962,940
202044,938
202126,708
202216,648
2023 and thereafter7,102
IPR&D(4)6,600
Total$253,843
(4)IPR&D assets are amortized over their useful lives upon completion or are written off upon abandonment.

Note 5.6. Financial Assets and Liabilities
Cash equivalents and short-termShort-term investments. The Company classifies time deposits and other investments with maturities less than three months as cash equivalents. Debt securities and other investments with maturities longer than three months are classified as short-term investments. The Company’s investments generally have a term of less than three years and are classified as available-for-sale carried at fair value, withGross unrealized gains and losses included inon our short-term investment portfolio of available-for-sale debt securities at October 31, 2021 were not significant. The stated maturities of the consolidated balance sheetsCompany's available-for-sale debt securities as a component of accumulated other comprehensive income (loss), net of tax. Those unrealized gains or losses deemed other than temporary are reflected in other income (expense), net. The cost of securities sold is based on the specific identification method and realized gains and losses are included in other income (expense), net.October 31, 2021 were as follows:

 CostFair Value
(in thousands)
Due within 1 year$45,562 $45,533 
After 1 year through 5 years94,591 94,396 
After 5 years through 10 years5,786 5,785 
After 10 years2,256 2,235 
Total$148,195 $147,949 

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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued



During the fourth quarter of fiscal 2017, the Company sold its investments in available-for-sale securities. As of October 31, 2017,2021, the balances of ourthe Company's cash equivalents, short-term investments and non-marketable equity securities investments were:
CostGross
Unrealized
Gains
Gross
Unrealized
Losses Less Than 12 Continuous Months
Gross
Unrealized
Losses 12 Continuous Months or Longer
Estimated
Fair Value
(1)
 (in thousands)
Cash equivalents:
Money market funds$172,934 $— $— $— $172,934 
Total:$172,934 $— $— $— $172,934 
Short-term investments:
U.S. government agency & T-bills$6,447 $— $(5)$— $6,442 
Municipal bonds4,588 — (12)— 4,576 
Corporate debt securities103,615 (170)— 103,452 
Asset-backed securities33,545 (72)— 33,479 
Total:$148,195 $13 $(259)$— $147,949 
Other long-term assets:
Non-marketable equity securities$17,638 $— $— $— $17,638 
Total:$17,638 $— $— $— $17,638 
(1)See Note 7.Fair Value Measures for further discussion on fair values.
As of October 31, 2020, the balances of the Company's cash equivalents and non-marketable equity securities investments are:
were:
CostGross
Unrealized
Gains
Gross
Unrealized
Losses Less Than 12 Continuous Months
Gross
Unrealized
Losses 12 Continuous Months or Longer
Estimated
Fair Value
(1)
 (in thousands)
Cash equivalents:
Money market funds$304,127 $— $— $— $304,127 
Total:$304,127 $— $— $— $304,127 
Other long-term assets:
Non-marketable equity securities$13,200 $— $— $— $13,200 
Total:$13,200 $— $— $— $13,200 
 Cost Gross
Unrealized
Gains
 Gross
Unrealized
Losses Less Than 12 Continuous Months
 Gross
Unrealized
Losses 12 Continuous Months or Longer
 Estimated
Fair Value(1)
 (in thousands)
Cash equivalents:         
Money market funds$560,594
 $
 $
 $
 $560,594
Total:$560,594
 $
 $
 $
 $560,594
          
Other long-term assets:         
Non-marketable equity securities$7,826
 $
 $
 $
 $7,826
Total:$7,826
 $
 $
 $
 $7,826
(1)See Note 7. Fair Value Measures for further discussion on fair values.
(1)See Note 6. Fair Value Measures for further discussion on fair values of cash equivalents and investments.

Restricted cash. The Company includes amounts generally described as restricted cash and restricted cash equivalents in cash and cash equivalents when reconciling beginning-of-period and end-of-period total amounts shown on the consolidated statements of cash flows. All restricted cash is primarily associated with office leases.

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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued



AsThe following table provides a reconciliation of October 31, 2016, the balances of ourcash, cash equivalents and restricted cash included in the consolidated balance sheets:
October 31,
20212020
(in thousands)
Cash and cash equivalents$1,432,840 $1,235,653 
Restricted cash included in Prepaid expenses and other current assets1,560 1,523 
Restricted cash included in Other long-term assets783 794 
Total cash, cash equivalents and restricted cash$1,435,183 $1,237,970 

Non-marketable equity securities. The Company’s portfolio of non-marketable equity securities consists of strategic investments are:
 Cost Gross
Unrealized
Gains
 Gross
Unrealized
Losses Less Than 12 Continuous Months
 Gross
Unrealized
Losses 12 Continuous Months or Longer
 Estimated
Fair Value(1)
 (in thousands)
Cash equivalents:         
Money market funds$499,274
 $
 $
 $
 $499,274
Commercial paper1,498
 
 
 
 $1,498
Certificates of deposit4,200
 
 
 
 $4,200
Total:504,972
 
 
 
 504,972
Short-term investments:         
U.S. government agency securities13,607
 4
 (8) 
 13,603
Certificates of deposit12,849
 
 
 
 12,849
Commercial paper25,430
 1
 
 
 25,431
Corporate debt securities58,753
 43
 (18) 
 58,778
Asset-backed securities22,146
 12
 (12) 
 22,146
Non-U.S. government agency securities3,403
 
 (3) 
 3,400
Other4,488
 
 
 
 4,488
Total:140,676
 60
 (41) 
 140,695
          
Other long-term assets:         
Non-marketable equity securities9,756
 
 
 
 9,756
Total:9,756
 
 
 
 9,756
(1)See Note 6. Fair Value Measures for further discussion on fair values of cash equivalents and investments.
Non-marketable equity securities. The Company’s strategic investment portfolio consistsin privately held companies. There were no material impairments of non-marketable equity securities in privately held companies. The securities accounted for as cost method investments are reported at cost, net of impairment losses. Securities accounted for as equity method investments are recorded at cost plus the proportional share of the issuers’ incomefiscal 2021, fiscal 2020, or loss, which is recorded in the Company’s other income (expense), net. The cost basis of securities sold is based on the specific identification method. Refer to Note 6. Fair Value Measures.fiscal 2019.
Derivatives.
The Company recognizes derivative instruments as either assets or liabilities in the consolidated financial statementsbalance sheets at fair value and provides qualitative and quantitative disclosures about such derivatives. The Company operates internationally and is exposed to potentially adverse movements in foreign currency exchange rates. The Company enters into hedges in the form of foreign currency forward contracts to reduce its exposure to foreign currency rate changes on non-functional currency denominated forecasted transactions and balance sheet positions including: (1) certain assets and liabilities, (2) shipments forecasted to occur within approximately 1one month, (3) future billings and revenue on previously shipped orders, and (4) certain future intercompany invoices denominated in foreign currencies.
The duration of forward contracts ranges from approximately one month to 2223 months, the majority of which are short-term. The Company does not use foreign currency forward contracts for speculative or trading purposes. The Company enters into foreign exchange forward contracts with high credit quality financial institutions that are rated ‘A’ or above and to date has not experienced nonperformance by counterparties. Further,In addition, the Company mitigates credit risk in derivative transactions by permitting net settlement of transactions with the same counterparty and anticipates continued performance by all counterparties to such agreements.

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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


The assets or liabilities associated with the forward contracts are recorded at fair value in other current assets or accrued liabilities in the consolidated balance sheets. The accounting for gains and losses resulting from changes in fair value depends on the use of the foreign currency forward contract and whether it is designated and qualifies for hedge accounting. The cash flow impact upon settlement of the derivative contracts will be included in “Net cash provided by operating activities” in the consolidated statements of cash flows.
Cash Flow Hedging Activities
Certain foreign exchange forward contracts are designated and qualify as cash flow hedges. These contracts have durations of approximately 2223 months or less. Certain forward contracts are rolled over periodically to capture the full length of exposure to the Company’s foreign currency risk, which can be up to three years. To receive hedge accounting treatment, all hedging relationships are formally documented at the inception of the hedge, and the hedges must be highly effective in offsetting changes to future cash flows on the hedged transactions. The effective portion ofrelated gains or losses resulting from changes in fair value of these hedges is initially reported, net of tax, as a component of other comprehensive income (loss) (OCI), in stockholders’ equity and reclassified into revenue or operating expenses, as appropriate, at the time the hedged transactions affect earnings. We expectThe Company expects a majority of the hedge balance in OCI to be reclassified to the statements of operationsincome within the next twelve12 months.
Hedging effectiveness is evaluated monthly using spot rates, withThe Company did not record any gaingains or loss caused by hedging ineffectiveness recorded in other income (expense), net. The premium/discount componentlosses related to discontinuation of the forward contracts is recorded to other income (expense), net,cash flow hedges for fiscal years 2021, 2020 and is not included in evaluating hedging effectiveness.2019.
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

Non-designated Hedging Activities
The Company’s foreign exchange forward contracts that are used to hedge non-functional currency denominated balance sheet assets and liabilities are not designated as hedging instruments. Accordingly, any gains or losses from changes in the fair value of the forward contracts are recorded in other income (expense), net. The gains and losses on these forward contracts generally offset the gains and losses associated with the underlying assets and liabilities, which are also recorded in other income (expense), net. The duration of the forward contracts for hedging the Company’s balance sheet exposure is approximately one month.
The Company also has certain foreign exchange forward contracts for hedging certain international revenues and expenses that are not designated as hedging instruments. Accordingly, any gains or losses from changes in the fair value of the forward contracts are recorded in other income (expense), net. The gains and losses on these forward contracts generally offset the gains and losses associated with the foreign currency in operating income. The duration of these forward contracts is usually less than one year. The overall goal of the Company’s hedging program is to minimize the impact of currency fluctuations on its net income over its fiscal year.
The effects of the changes innon-designated derivative instruments on the fair valuesCompany’s consolidated statements of non-designated forward contractsincome for fiscal years 2017, 20162021, 2020, and 20152019 are summarized as follows:
 October 31,
 202120202019
 (in thousands)
Gain (loss) recorded in other income (expense), net$(855)$1,957 $4,538 
 October 31,
 2017 2016 2015
 (in thousands)
Gain (loss) recorded in other income (expense), net$1,359
 $(4,533) $(5,554)
The notional amounts in the table below for derivative instruments provide one measure of the transaction volume outstanding:
October 31,
20212020
 (in thousands)
Total gross notional amount$1,176,152 $981,234 
Net fair value$13,404 $6,940 
 As of October 31, 2017 As of October 31, 2016
 (in thousands)
Total gross notional amount$955,139
 $758,246
Net fair value$14,052
 $(15,358)
The notional amounts for derivative instruments do not represent the amount of the Company’s exposure to market gain or loss. The Company’s exposure to market gain or loss will vary over time as a function of currency exchange rates. The amounts ultimately realized upon settlement of these financial instruments, together with the gains and losses on the underlying exposures, will depend on actual market conditions during the remaining life of the instruments.

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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


The following table represents the consolidated balance sheetsheets location and amount of derivative instrument fair values segregated between designated and non-designated hedge instruments:
Fair values of
derivative instruments
designated as
hedging instruments
Fair values of
derivative instruments
not designated as
hedging instruments
 (in thousands)
Balance at October 31, 2021
Other current assets$15,455 $17 
Accrued liabilities$2,027 $42 
Balance at October 31, 2020
Other current assets$9,182 $138 
Accrued liabilities$2,088 $292 
70

 
Fair Values of
derivative instruments
designated as
hedging instruments
 
Fair Values of
derivative instruments
not designated as
hedging instruments
 (in thousands)
As of October 31, 2017   
Other current assets$16,582
 $15
Accrued liabilities$2,485
 $59
As of October 31, 2016   
Other current assets$4,625
 $27
Accrued liabilities$19,910
 $101

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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

The following table represents the income statement location andof the amount of gains and losses on derivative instrument fair values for designated hedge instruments, net of tax:tax in the consolidated statements of income:
 
Location of gain (loss)
recognized in OCI on
derivatives
 
Amount of gain (loss)
recognized in 
OCI on
derivatives
(effective portion)
 
Location of gain (loss)
reclassified 
from OCI
 
Amount of
gain (loss)
reclassified 
from OCI
(effective 
portion)
 (in thousands)
Fiscal year ended October 31, 2017       
Foreign exchange contractsRevenue $7,582
 Revenue $(2,759)
Foreign exchange contractsOperating expenses 13,346
 Operating expenses (805)
Total  $20,928
   $(3,564)
Fiscal year ended October 31, 2016       
Foreign exchange contractsRevenue $(14,580) Revenue $(8,585)
Foreign exchange contractsOperating expenses (11,259) Operating expenses (12,125)
Total  $(25,839)   $(20,710)
Fiscal year ended October 31, 2015       
Foreign exchange contractsRevenue $3,982
 Revenue $9,270
Foreign exchange contractsOperating expenses (22,605) Operating expenses (24,193)
Total  $(18,623)   $(14,923)
The following table represents the ineffective portions and portions excluded from effectiveness testing of the hedge gains (losses) for derivative instruments designated as hedging instruments, which are recorded in other income (expense) income, net:
Foreign exchange contracts
Amount of gain (loss)
recognized in income
statement on derivatives
(ineffective portion)(1)
 
Amount of gain (loss)
recognized in income
statement on derivatives
(excluded from
effectiveness testing)(2)
 (in thousands)
Fiscal year ended October 31, 2017$311
 $3,018
Fiscal year ended October 31, 2016$1,468
 $6,058
Fiscal year ended October 31, 2015$878
 $3,704
(1)The ineffective portion includes forecast inaccuracies.
(2)The portion excluded from effectiveness testing includes the discount earned or premium paid for the contracts.

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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


Location of gain (loss)
recognized in OCI on
derivatives
Amount of gain (loss)
recognized in 
OCI on
derivatives
(effective portion)
Location of gain (loss)
reclassified 
from OCI
Amount of
gain (loss)
reclassified 
from OCI
(effective 
portion)
 (in thousands)
Fiscal year ended October 31, 2021
Foreign exchange contractsRevenue$1,148 Revenue$4,181 
Foreign exchange contractsOperating expenses8,712 Operating expenses10,378 
Total$9,860 $14,559 
Fiscal year ended October 31, 2020
Foreign exchange contractsRevenue$3,034 Revenue$530 
Foreign exchange contractsOperating expenses4,800 Operating expenses(603)
Total$7,834 $(73)
Fiscal year ended October 31, 2019
Foreign exchange contractsRevenue$278 Revenue$1,436 
Foreign exchange contractsOperating expenses4,455 Operating expenses(16,073)
Total$4,733 $(14,637)
Other Commitments - Credit and Term Loan Facilities
On November 28, 2016,January 22, 2021, the Company entered into ana Fourth Extension and Amendment Agreement (the Fourth Amendment), which amends and restates the Company's previous credit agreement, dated as of November 28, 2016 (as amended and restated, the Credit Agreement). The Company's outstanding borrowings under the previous credit agreement, with several lenders (thewhich as of January 22, 2021 consisted of term loans in the aggregate principal amount of $97.5 million, are carried over under the Credit Agreement) providing for (i) aAgreement.
The Fourth Amendment extends the termination date of the existing $650.0 million senior unsecured revolving credit facility (the Revolver) and (ii) a $150.0 million senior unsecured term loan facility (the Term Loan). The Credit Agreement amended and restated the Company’s previous credit agreement dated May 19, 2015 (the 2015 Agreement), in order to increase the size of the revolving credit facility from $500.0 million to $650.0 million, provide a new $150.0 million senior unsecured term loan facility, and to extend the termination date of the revolving credit facility from May 19, 2020 to November 28, 2021. Subject2021 to obtaining additional commitments from lenders,January 22, 2024, which may be further extended at the principal amount of theCompany's option. The outstanding term loans provided under the Credit Agreement may be increased bywill continue to amortize in quarterly installments with the Company bybalance due at maturity on November 28, 2021. The Credit Agreement also provides an uncommitted incremental loan facility of up to an additional $150.0 million.million in the aggregate principal amount. The Credit Agreement contains financial covenants requiring the Company to operate withinmaintain a maximum consolidated leverage ratio and maintain a minimum consolidated interest coverage ratio, as well as other non-financial covenants. As of October 31, 2017,2021, the Company was in compliance with all financial covenants.
During the first quarterAs of fiscal 2017,October 31, 2021, the Company received fundinghad $75.0 million outstanding balance, net of $150.0 milliondebt issuance costs, under the Term Loan. The remaining outstanding balance of $75.0 million was repaid in full on November 26, 2021.
As of October 31, 2017,2020, the Company had a $144.0$102.1 million outstanding balance, net of debt issuance costs, under the Term Loan, of which $134.1$75.0 million iswas classified as long-term liabilities, andliabilities.
There was no outstanding balance under the Revolver. Outstanding principal payments under the Term Loan are dueRevolver as follows:
Fiscal year(in thousands)
201810,313
201914,062
202017,813
202127,187
202275,000
Total$144,375
As of October 31, 2016, the2021 and October 31, 2020. The Company had no outstanding balanceexpects its borrowings under the previous term loanRevolver will fluctuate from the 2015 Agreement and a $205.0 million outstanding balance under the previous revolver from the 2015 Agreement, all of which are considered short-term liabilities. quarter to quarter.
Borrowings bear interest at a floating rate based on a margin over the Company’s choice of market observable base rates as defined in the Credit Agreement. As of October 31, 2017,2021, borrowings under the Term Loan bore interest at LIBOR +1.125% and the applicable interest rate for the Revolver was LIBOR +1.000%. In addition, commitment fees are payable on the Revolver at rates between 0.125% and 0.200% per year based on the Company’s leverage ratio on the daily amount of the revolving commitment.
Subsequent to fiscal year 2017,In July 2018, the Company drew down $450.0entered into a 12-year 220.0 million RMB (approximately $33.0 million) credit agreement with a lender in China to support its facilities expansion. Borrowings bear interest at a floating rate based on the 5
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

year Loan Prime Rate plus 0.74%. As of October 31, 2021, the Company had $25.1 million outstanding under the Revolver and the total outstanding balance of the Revolver as of December 13, 2017 is $450.0 million.agreement.
The carrying amount of the short-term and long-term debt approximates the estimated fair value. These borrowings under the Credit Agreement have a variable interest rate structure and are classified within Level 2 of the fair value hierarchy.
Note 6.7. Fair Value MeasuresMeasurements
Accounting Standards Codification (ASC) 820-10, Fair Value Measurements and Disclosures, defines fair value, establishes guidelines and enhances disclosure requirements for fair value measurements. The accounting guidance requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The accounting guidance also establishes a fair value hierarchy based on the independence of the source and objective evidence of the inputs used. There are three fair value hierarchies based upon the level of inputs that are significant to fair value measurement:
Level 1—Observable inputs that reflect quoted prices (unadjusted) for identical instruments in active markets;
Level 2—Observable inputs other than quoted prices included in Level 1 for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-driven valuations in which all significant inputs and significant value drivers are observable in active markets; and
Level 3—Unobservable inputs to the valuation derived from fair valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


On a recurring basis, the Company measures the fair value of certain of its assets and liabilities, which include cash equivalents, short-term investments, non-qualified deferred compensation plan assets, and foreign currency derivative contracts.
The Company’s cash equivalents and short-term investments are classified within Level 1 or Level 2 because they are valued using quoted market prices in an active market or alternative independent pricing sources and models utilizing market observable inputs.
The Company’s non-qualified deferred compensation plan assets consist of money market and mutual funds invested in domestic and international marketable securities that are directly observable in active markets and are therefore classified within Level 1.
The Company’s foreign currency derivative contracts are classified within Level 2 because these contracts are not actively traded and the valuation inputs are based on quoted prices and market observable data of similar instruments.
The Company’s borrowings under its credit and term loan facilities are classified within Level 2 because these borrowings are not actively traded and have a variable interest rate structure based upon market rates currently available to the Company for debt with similar terms and maturities. Refer to See Note 5.6. Financial Assets and Liabilities.Liabilities for more information on these borrowings.
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

Assets/Liabilities Measured at Fair Value on a Recurring Basis
Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2017:2021:
  
 Fair Value Measurement Using
DescriptionTotalQuoted Prices in 
Active Markets 
for Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
 (in thousands)
Assets
Cash equivalents:
Money market funds$172,934 $172,934 $— $— 
Short-term investments:
U.S. government agency & T-bills6,442 06,442 — 
Municipal bonds4,576 — 4,576 — 
Corporate debt securities103,452 — 103,452 — 
Asset-backed securities33,479 — 33,479 — 
Prepaid and other current assets:
Foreign currency derivative contracts15,472 — 15,472 — 
Other long-term assets:
Deferred compensation plan assets343,820 343,820 — — 
Total assets$680,175 $516,754 $163,421 $— 
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts$2,068 $— $2,068 $— 
Other long-term liabilities:
Deferred compensation plan liabilities343,820 343,820 — — 
Total liabilities$345,888 $343,820 $2,068 $— 
 
73

  
  Fair Value Measurement Using
DescriptionTotal 
Quoted Prices in 
Active Markets 
for Identical Assets
(Level 1)
 
Significant Other
Observable Inputs
(Level 2)
 
Significant
Unobservable Inputs
(Level 3)
 (in thousands)
Assets       
Cash equivalents:       
Money market funds$560,594
 $560,594
 $
 $
Prepaid and other current assets:       
Foreign currency derivative contracts16,596
 
 16,596
 
Other long-term assets:       
Deferred compensation plan assets197,542
 197,542
 
 
Total assets$774,732
 $758,136
 $16,596
 $
Liabilities       
Accounts payable and accrued liabilities:       
Foreign currency derivative contracts$2,544
 $
 $2,544
 $
Other long-term liabilities:       
Deferred compensation plan liabilities197,542
 197,542
 
 
Total liabilities$200,086
 $197,542
 $2,544
 $


SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued



Assets and liabilities measured at fair value on a recurring basis are summarized below as of October 31, 2016:
DescriptionTotal Fair Value Measurement Using
Quoted Prices in 
Active Markets 
for Identical Assets
(Level 1)
 
Significant Other
Observable Inputs
(Level 2)
 
Significant
Unobservable Inputs
(Level 3)
 (in thousands)
Assets       
Cash equivalents:       
Money market funds$499,274
 $499,274
 $
 $
Commercial paper1,498
 
 1,498
 
Certificates of deposit4,200
 
 4,200
 
Short-term investments:       
U.S. government agency securities13,603
 
 13,603
 
Certificates of deposit12,849
 
 12,849
 
Commercial paper25,431
 
 25,431
 
Corporate debt securities58,778
 
 58,778
 
Asset-backed securities22,146
 
 22,146
 
Non-U.S. government agency securities3,400
 
 3,400
 
Other4,488
 4,488
 
 
Prepaid and other current assets:       
Foreign currency derivative contracts4,652
 
 4,652
 
Other long-term assets:       
Deferred compensation plan assets163,185
 163,185
 
 
Total assets$813,504
 $666,947
 $146,557
 $
Liabilities       
Accounts payable and accrued liabilities:       
Foreign currency derivative contracts$20,010
 $
 $20,010
 $
Other long-term liabilities:       
Deferred compensation plan liabilities163,185
 163,185
 
 
Total liabilities$183,195
 $163,185
 $20,010
 $
2020:
DescriptionTotalFair Value Measurement Using
Quoted Prices in 
Active Markets 
for Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
 (in thousands)
Assets
Cash equivalents:
Money market funds$304,127 $304,127 $— $— 
Prepaid and other current assets:
Foreign currency derivative contracts9,320 — 9,320 — 
Other long-term assets:
Deferred compensation plan assets269,737 269,737 — — 
Total assets$583,184 $573,864 $9,320 $— 
Liabilities
Accounts payable and accrued liabilities:
Foreign currency derivative contracts$2,380 $— $2,380 $— 
Other long-term liabilities:
Deferred compensation plan liabilities269,737 269,737 — — 
Total liabilities$272,117 $269,737 $2,380 $— 
Assets/Liabilities Measured at Fair Value on a Non-Recurring Basis
Non-Marketable Equity Securities
Equity investments in privately-held companies, also called non-marketableNon-marketable equity securities are accounted for using either the cost or equity method of accounting.
The non-marketable equity securities are measured and recorded at fair value when an event or circumstance which impacts the fair value of these securities indicates an other-than-temporary decline in value has occurred.  In such events, these equity investments would be classified within Level 3 as they are valued using significant unobservable inputs or data in an inactive market and the valuation requires management judgment due to the absence of market price and inherent lack of liquidity. The Company monitors these investments and generally uses the income approach to assess impairments based primarily on the financial conditions of these companies.
Note 8. Leases
The Company recorded $1.3 millionhas operating lease arrangements for office space, data center, equipment and other corporate assets. These leases have various expiration dates through December 31, 2040, some of other-than-temporary impairmentwhich include options to extend the leases for up to 10 years. Because the Company is not reasonably certain to exercise these renewal options, the options are not considered in determining the lease term and associated potential option payments are excluded from lease payments.
The components of the Company’s lease expense during fiscal 2017the period presented are as follows:
Year Ended October 31,
20212020
(in thousands)
Operating lease expense (1)
$93,848 $93,636 
Variable lease expense (2)
8,231 5,147 
Total lease expense$102,079 $98,783 
(1) Operating lease expense includes immaterial amounts of short-term leases, net of sublease income.
(2) Variable lease expense includes payments to lessors that are not fixed or determinable at lease commencement date. These payments primarily consist of maintenance, property taxes, insurance and did not recognize any impairment during fiscal 2016 and 2015.variable indexed based payments.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued



Supplemental cash flow information during the period presented is as follows:
Year Ended October 31,
20212020
(in thousands)
Cash paid for amounts included in the measurement of operating lease liabilities$86,360 $72,828 
ROU assets obtained in exchange for operating lease liabilities$112,637 $69,439 
Lease term and discount rate information related to the Company’s operating leases as of the end of the period presented are as follows:
October 31, 2021October 31, 2020
Weighted-average remaining lease term (in years)8.008.62
Weighted-average discount rate2.01 %2.56 %
The following table presentsrepresents the non-marketable equity securities that were measured and recorded at fair value within other long-term assets on a non-recurring basis andmaturities of the loss recorded in other income (expense), net:
 Balance as of October 31, 2017 
Significant
Unobservable
Inputs
(Level 3)
 
Total
(losses) for
Fiscal 2017
 (in thousands)
Non-marketable equity securities$
 $
 $(1,300)
Note 7. Commitments and Contingencies
Lease Commitments
The Company leases certain of its domestic and foreign facilities and certain office equipment under non-cancelable lease agreements. The lease agreements generally require the Company to pay property taxes, insurance, maintenance and repair costs. Rent expenses were $68.1 million, $63.9 million and $67.6 million in fiscal 2017, 2016 and 2015, respectively. The Company charges operatingCompany’s future lease payments to expense using the straight-line method. The Company subleases portionsdue under operating leases as of its facilities and records sublease payments as a reduction of rent expense.
The Company's principal offices are located in two office buildings in Mountain View, California. The buildings together provide approximately 341,000 square feet. This space is leased through August 2030, and the Company has two options to extend the lease term, the first to extend the term by ten years, followed by a second option to extend by approximately nine additional years.October 31, 2021:
Lease Payments
Fiscal year(in thousands)
2022$89,891 
202383,062 
202476,762 
202565,434 
202655,647 
Thereafter243,891 
Total future minimum lease payments614,687 
Less: Imputed interest48,006 
Total lease liabilities$566,681 
As of October 31, 2017, anticipated2021, the Company has additional operating leases that have not yet commenced with future minimumundiscounted lease payments on allof $0.8 million. These operating leases may commence in January 2022, with lease terms between 3 years and 5 years.
In addition, certain facilities owned by the Company were leased to third parties under non-cancellable operating lease agreements. These leases have annual escalating payments and have expiration dates through March 31, 2031 in accordance with a term in excessthe terms and conditions of one year, net ofthe existing agreement. The lease receipts from owned facilities, including sublease income from other facilities, due to the Company as of October 31, 2021 are as follows:
Lease Receipts
 (in thousands)
Fiscal year
2022$17,131 
202316,433 
202413,949 
20256,375 
20266,566 
Thereafter31,466 
Total$91,920 

75
 
Minimum
Lease
Payments
 Sublease Income Net
 (in thousands)
Fiscal Year     
2018$56,879
 $2,977
 $53,902
201951,350
 3,208
 48,142
202039,594
 3,050
 36,544
202131,797
 2,184
 29,613
202227,438
 1,681
 25,757
Thereafter147,271
 566
 146,705
Total$354,329
 $13,666
 $340,663


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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


Note 9. Contingencies
Legal Proceedings
The Company is subject to routine legal proceedings, as well as demands, claims and threatened litigation that arise in the normal course of its business. The ultimate outcome of any litigation is often uncertain and unfavorable outcomes could have a negative impact on the Company’s results of operations and financial condition. The Company regularly reviews the status of each significant matter and assesses its potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount is estimable, the Company accrues a liability for the estimated loss. Legal proceedings are inherently uncertain and as circumstances change, it is possible that the amount of any accrued liability may increase, decrease, or be eliminated.
The Company has determined that, except as set forth below, no disclosure of estimated loss is required for a claim against the Company because: (1) there is not a reasonable possibility that a loss exceeding amounts already recognized (if any) may be incurred with respect to such claim; (2) a reasonably possible loss or range of loss cannot be estimated; or (3) such estimate is immaterial.
Mentor Patent Litigation
ThePrior to the legal settlement as further described below, the Company iswas engaged in complex patent litigation with Mentor Graphics Corporation (Mentor) involving several actions in different forums. The Company succeeded to the litigation when it acquired Emulation & Verification Engineering S.A. (EVE) on October 4, 2012. At
Legal Settlement
In March 2017, Siemens PLM Software (Siemens) acquired Mentor. On June 29, 2018, the time of the acquisition, EVECompany, Siemens and EVE-USA, Inc. (collectively, the EVE Parties) had been defendants in threeMentor settled all outstanding patent infringement lawsuits filed by Mentor. Each lawsuit as well as subsequent lawsuits are further described below.

SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


Background
As mentioned above, at the time of the acquisition, the EVE Parties had been defendants in three patent infringement lawsuits filed by Mentor. Mentor filed suit against the EVE Parties in federal district court in the District of Oregon on August 16, 2010 alleging that EVE’s ZeBu products infringed Mentor’s United States Patent No. 6,876,962. Mentor filed an additional suit in federal district court in the District of Oregon on August 17, 2012 alleging that EVE’s ZeBu products infringed Mentor’s United States Patent No. 6,947,882. Both cases sought damages and a permanent injunction. Mentor also filed a patent infringement lawsuit against Nihon EVE K.K. in Tokyo District Court in 2010 alleging that certain ZeBu products infringe Mentor’s Japanese Patent No. P3,588,324. The litigation matter in Japan no longer exists, as the Japan IP High Court affirmed the Tokyo District Court ruling that such products did not infringe Mentor's patent.
On September 27, 2012,between the Company and Mentor for a $65.0 million payment made from the EVE Parties filed an action for declaratory relief against Mentor in federal district court in the Northern District of California, seekingCompany to Mentor. As a determination that Mentor’s United States Patents Nos. 6,009,531, 5,649,176, and 6,240,376, which were the subject of a patent infringement lawsuit filed by Mentor against EVE in 2006 and settled in the same year, are invalid and not infringed by EVE’s products. Mentor asserted patent infringement counterclaims in this action based on the same three patents and sought damages and a permanent injunction. In April 2013, this action was transferred to the federal district court in Oregon and consolidated with the two Mentor lawsuits in that district (the Oregon Action), as further described below.
The Oregon Action
After transferresult of the Company’s declaratory relief action to Oregon and consolidation of that action with Mentor’s 2010 and 2012 lawsuits, the Company asserted patent infringement counterclaims against Mentor based on the Company’s United States Patents Nos. 6,132,109 and 7,069,526, seeking damages and a permanent injunction. After pre-trial summary judgment rulings in favor of both sides, the only patent remaining at issue in the Oregon Action was Mentor's ‘376 patent.
The Oregon Action went to trial on the remaining Mentor patent, and a jury reached a verdict on October 10, 2014 finding that certain features of the ZeBu products infringed the ‘376 patent and assessing damages of approximately $36 million. On March 12, 2015, the court entered an injunction prohibiting certain sales activities relating to the features found by the jury to infringe. The Company released a new version of ZeBu software that does not include such features. The Company accrued an immaterial amount as a loss contingency in the year ended October 31, 2015. Both parties appealed from the court’s judgment following the jury verdict.
The Federal Circuit heard the parties’ respective appeals and issued a decision on March 16, 2017. The panel affirmed the jury verdict and damages award on Mentor’s ‘376 patent and reversed the district court’s dismissal of Mentor’s ‘176, ‘531 and ‘882 patents and the Company’s ‘109 patent. Due to the affirmation of the verdict by the Federal Circuit, the Company accrued an aggregate amount of $39.0 million as a loss contingency, which is the amount estimated to be the probable loss. The associated charge has been recorded in general and administrative expenses in the income statements for the year ended October 31, 2017.
Proceedings on these patents are resuming in the federal district court in Oregon, including trial of alleged supplemental damages on and willful infringement of the ‘376 patent. On May 1, 2017, the Company petitioned for rehearing by all judges currently sitting on the Federal Circuit. On September 1, 2017, the Federal Circuit denied the Company's petition for rehearing. On November 30, 2017, the Company filed a petition for certiorari with the U.S. Supreme Court seeking review of the Federal Circuit’s ruling.
The California Action
On December 21, 2012, the Company filed an action for patent infringement against Mentor in federal district court in the Northern District of California, alleging that Mentor’s Veloce products infringe the Company’s United States Patents Nos. 5,748,488, 5,530,841, 5,680,318 and 6,836,420 (the California Action). This case sought damages and a permanent injunction. The court stayed the action as to the ‘420 patent pending the U.S. Patent and Trademark Office's inter partes review of that patent and appeals from that proceeding. On January 20, 2015, the court granted Mentor's motion for summary judgment on the ‘488, ‘841, and ‘318 patents, finding that such patents were invalid. The Company appealed the court's ruling and on October 17, 2016, the Federal Circuit affirmed the district court’s decision. The Company sought review of the Federal Circuit’s ruling in the U.S. Supreme Court, and on October 2, 2017, the U.S. Supreme Court denied the Company's petition.

SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued


PTO Proceedings
On September 26, 2012, the Company filed two inter partes review requests with the U.S. Patent and Trademark Office (the PTO) challenging the validity of Mentor’s ‘376 and ‘882 patents. The PTO granted review of the ‘376 patent and denied review of the ‘882 patent. On February 19, 2014, the PTO issued its final decision in the review of the ‘376 patent, finding some of the challenged claims invalid and some of the challenged claims valid. On April 22, 2014, the Company appealed to the Federal Circuit from the PTO’s decision finding certain claims valid. Mentor filed a cross-appeal on May 2, 2014 from the PTO's decision finding certain claims invalid. On February 10, 2016, the Federal Circuit affirmed the PTO's decision in all respects.
On December 21, 2013, Mentor filed an inter partes review request with the PTO challenging the validity of the Company’s ‘420 patent. On June 11, 2015, the PTO issued its final decision in the review, finding all of the challenged claims invalid. On August 12, 2015, the Company appealed to the Federal Circuit from the PTO's decision. On October 11, 2016, the Federal Circuit affirmed the PTO’s decision.
On September 30, 2016, the Company filed a petition requesting ex parte reexamination of all of the claims of the ‘376 patent asserted in the Oregon Action. Mentor objected on procedural grounds. On November 8, 2016, the PTO instituted reexamination of the ‘376 patent. On December 15, 2016, the PTO vacated its decision to institute reexamination based upon Mentor’s procedural objection. The Company thereafter filed a renewed request for ex parte reexamination of only claims 24, 26 and 27 of the patent, which was granted by the PTO in February 2017. On May 2, 2017, the Company also sued the PTO in federal district court in the Eastern District of Virginia, challenging the PTO’s decision not to institute reexamination of claims 1 and 28. On July 28, 2017, cross-motions for summary judgment were argued, and the Company’s suit challenging the PTO’s decision not to reexamine claims 1 and 28 was dismissed on November 15, 2017. The ex parte reexamination is ongoing.
On May 22, 2017, the Company petitioned for ex parte reexamination of certain claims of the ‘882 patent.  On June 20, 2017, the PTO instituted reexamination on all of the challenged claims and on October 23, 2017 rejected the challenged claims of the ‘882 patent.  The ex parte reexamination and the lawsuit are ongoing.
While the Company intends to defend all of the above matters vigorously, the ultimate outcome of any litigation, includingsettlement, the litigation with Mentor is uncertainwas dismissed and may havethe injunction entered in connection with that litigation was vacated. The settlement included mutual seven-year patent cross-licenses between the Company and Siemens, and between the Company and Mentor. The Company and Mentor also amended an adverse outcome resulting in losses beyond recorded amounts. In the eventexisting interoperability agreement to collaborate on a wide range of an unfavorable final outcome, there exists the possibility of a material adverse impact on the Company's consolidated financial statementsEDA products for the period in which the effects become reasonably estimable.benefit of their mutual customers. The amendment includes a one-time termination charge between $0.0 and $25.0 million, payable to Mentor under certain conditions.
Tax Matters
The Company undergoes examination from time to time by U.S. and foreign authorities for non-income based taxes, such as sales, use and value-added taxes, and is currently under examination by tax authorities in certain jurisdictions. If the potential loss from such examinations is considered probable and the amount or the range of loss could be estimated, the Company would accrue a liability for the estimated expense.

In addition to the foregoing, the Company is, from time to time, party to various other claims and legal proceedings in the ordinary course of ourits business, including with tax and other governmental authorities. For a description of certain of these other matters, refer to Note 11.13. Income Taxes.
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

Note 8.10. Accumulated Other Comprehensive Income (Loss)
Components of accumulated other comprehensive income (loss), on an after-tax basis where applicable, were as follows:
 Year Ended October 31,
 2017 2016
 (in thousands)
Cumulative currency translation adjustments$(70,407) $(84,700)
Unrealized gain (loss) on derivative instruments, net of taxes4,428
 (19,896)
Unrealized gain (loss) on available-for-sale securities, net of taxes
 19
Total accumulated other comprehensive income (loss)$(65,979) $(104,577)

 Year Ended October 31,
 20212020
 (in thousands)
Cumulative currency translation adjustments$(48,047)$(57,463)
Unrealized gain (loss) on derivative instruments, net of taxes(1,311)3,389 
Unrealized gain (loss) on available-for-sale securities, net of taxes(246)— 
Total accumulated other comprehensive income (loss)$(49,604)$(54,074)
The effect of amounts reclassified out of each component of accumulated other comprehensive income (loss) into net income was as follows:
 Year Ended October 31,
 202120202019
 (in thousands)
Reclassifications from accumulated other comprehensive income (loss) into consolidated statements of income:
Gain (loss) on cash flow hedges, net of taxes
Revenues$4,181 $530 $1,436 
Operating expenses10,378 (603)(16,073)
Total reclassifications into net income$14,559 $(73)$(14,637)
 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Reclassifications from accumulated other comprehensive income (loss) into consolidated statement of operations:     
Gain (loss) on cash flow hedges, net of taxes     
Revenues$(2,759) $(8,585) $9,270
Operating expenses(805) (12,125) (24,193)
Gain (loss) on available-for-sale securities     
Other income (expense)(8) 18
 41
Total reclassifications into net income$(3,572) $(20,692) $(14,882)
Amounts reclassified in fiscal 2017, 20162021, 2020, and 20152019 primarily consisted of gains (losses) from the Company’s cash flow hedging activities. See Note 5.6. Financial Assets and Liabilities.
Note 9.11. Stock Repurchase Program
The Company’s Board of Directors (Board)(the Board) previously approved a stock repurchase program pursuant to which the Company was authorized to purchase up to $500.0 million of its common stock and has periodically replenished the stock repurchase program to such amount. The Board replenishedapproved a replenishment of the stock repurchase program up to $500.0 million on June 15, 2017. The program does not obligate the Company to acquire any particular amount of common stock, and the program may be suspended or terminated at any time by the Company's Chief Financial Officer or the Board. The Company repurchases shares to offset dilution caused by ongoing stock issuances from existing equity plans for equity compensation awards and issuances related to acquisitions, and when management believes it is a good use of cash. Repurchases are transacted in accordance with Rule 10b-18 of the Securities Exchange Act of 1934, as amended (the Exchange Act) and may be made through any means including, but not limited to, open market purchases, plans executed under Rule 10b5-1(c) of the Exchange Act and structured transactions. 17, 2021.As of October 31, 2017, $4002021, $110.0 million remained available for furtherfuture repurchases under the program. In December 2021, our Board approved a stock repurchase program. with authorization to purchase up to $1.0 billion of our common stock.
In December 2016, the Company entered into an accelerated share repurchase agreement (December 2016 ASR) to repurchase an aggregate of $100.0 million of the Company’s common stock. Pursuant to the December 2016 ASR, the Company made a prepayment of $100.0 million and received initial share deliveries valued at $80.0 million. The remaining balance of $20.0 million was settled in February 2017. Total shares purchased under the December 2016 ASR were approximately 1.7 million shares, at an average purchase price of $60.53 per share.
In February 2017,August 2021, the Company entered into an accelerated share repurchase agreement (the February 2017August 2021 ASR) to repurchase an aggregate of $100.0$175.0 million of the Company’sCompany's common stock. Pursuant to the February 2017August 2021 ASR, the Company made a prepayment of $100.0$175.0 million and receivedto receive initial share deliveries of shares valued at $80.0$140.0 million. The remaining balance of $20.0$35.0 million was settled in May 2017.November 2021. Total shares purchased under the February 2017August 2021 ASR were approximately 1.40.5 million shares, at an average purchase price of $72.02$325.0 per share.
In May 2017, the Company entered into an accelerated share repurchase agreement (the May 2017 ASR) to repurchase an aggregate of $100.0 million of the Company’s common stock. Pursuant to the May 2017 ASR, the Company made a prepayment of $100.0 million and received initial share deliveries valued at $80.0 million. The remaining balance of $20.0 million was settled in July 2017. Total shares purchased under the May 2017 ASR were approximately 1.4 million shares, at an average purchase price of $73.49 per share.
In September 2017, the Company entered into an accelerated share repurchase agreement (the September 2017 ASR) to repurchase an aggregate of $100.0 million of the Company’s common stock. Pursuant to the September 2017 ASR, the Company made a prepayment of $100.0 million and received initial share deliveries valued at $80.0 million. The remaining balance of $20.0 million was settled in November 2017. Total shares purchased under the September 2017 ASR were approximately 1.2 million shares, at an average purchase price of $83.80 per share.
The following table summarizes stockStock repurchase activities as well as the reissuance of treasury stock for employee stock-based compensation purposes:purposes are as follows:
 Year Ended October 31,
 202120202019
 (in thousands, except per share price)
Shares repurchased(1)
2,780 1,585 2,732 
Average purchase price per share(1)
$270.84 $152.76 $120.49 
Aggregate purchase price(1)
$753,081 $242,078 $329,185 
Reissuance of treasury stock3,224 3,872 3,798 

(1)Excludes 107,701 shares and $35.0 million equity forward contract that was settled in November 2021.
77
 Year Ended October 31,
 2017 2016 2015
 (in thousands, except per share price)
Shares repurchased(1)5,413
 8,506
 5,672
Average purchase price per share(1)$70.21
 $49.37
 $45.84
Aggregate purchase price(1)$380,000
 $420,000
 $260,000
Reissuance of treasury stock4,404
 4,803
 4,864
(1)Does not include the 181,988 shares and $20.0 million equity forward contract, respectively, from the September 2017 ASR settled in November 2017.

In December 2017, the Company entered into two simultaneous accelerated share repurchase agreements (the December 2017 ASRs) to repurchase an aggregate

Table of $200.0 million of the Company's common stock. Pursuant to the December 2017 ASRs, the Company made a prepayment of $200.0 million to receive initial share deliveries of shares valued at $160.0 million. The remaining balance of $40.0 million is anticipated to be settled on or before May 16, 2018, upon completion of the repurchase. Under the terms of the December 2017 ASRs, the specific number of shares that the Company ultimately repurchases will be based on the volume-weighted average share price of our common stock during the repurchase period, less a discount.Contents

SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

Note 10.12. Employee Benefit Plans
Employee Stock Purchase Plan
Under the Company’s Employee Stock Purchase Plan (ESPP), participating employees are granted the right to purchase shares of common stock at a price per share that is 85% of the lesser of the fair market value of the shares at (1) the beginning of an offering period (generally, a rolling two year offering periodperiod) or (2) the purchase date (generally occurring at the end of each semi-annual purchase period,period), subject to the terms of ESPP, including a plan limit on the number of shares that may be purchased in a purchase period.
On March 29, 2016,April 9, 2020, the Company’s stockholders approved an amendment to the ESPP to increase the number of shares of common stock authorized for issuance under the plan by 5.0 million shares. During fiscal 2017, 20162021, 2020 and 2015,2019, the Company issued 1.61.0 million, 1.61.0 million, and 1.71.2 million shares, respectively, under the ESPP at average per share prices of $40.85, $37.77$134.26, $103.41 and $31.55,$73.18, respectively. As of October 31, 2017, 7.12021, 12.8 million shares of common stock were reserved for future issuance under the ESPP.
Equity Compensation Plans
2006 Employee Equity Incentive Plan. On April 25, 2006, the Company’s stockholders approved the 2006 Employee Equity Incentive Plan (2006 Employee Plan), which provides for the grant of incentive stock options, non-statutory stock options, restricted stock awards, restricted stock unit awards, stock appreciation rights and other forms of equity compensation, including performance stock awards and performance cash awards, as determined by the plan administrator. The terms and conditions of each type of award are set forth in the 2006 Employee Plan.Plan and in the award agreements governing particular awards.
Restricted stock units are granted under the 2006 Employee Plan as part of the Company’s incentive compensation program. In general, restricted stock units vest over three to four years and are subject to the employee's continuing service with the Company. Restricted stock units granted with specific performance criteria vest to the extent performance conditions are met. For each restricted stock unit granted under the 2006 Employee Plan, a share reserve ratio is applied for the purpose of determining the remaining number of shares reserved for future grants under the plan. As of October 31, 2021, the share reserve ratio was 1.70. Options granted under this plan generally have a contractual term of seven years and generally vest over four years.
On April 6, 2017,8, 2021, the Company's stockholders approved an amendmentamended the 2006 Employee Plan to, among other things, increase the number of shares of common stock reserved for future issuance under the 2006 Employee Planplan by 5.04.7 million shares. As of October 31, 2017,2021, an aggregate of 6.13.0 million stock options and 3.84.2 million restricted stock units were outstanding, and 12.613.8 million shares were available for future issuance under the 2006 Employee Plan.
2005 and 2017 Non-Employee Directors Equity Incentive Plans. On April 6, 2017, the Company’s stockholders approved the 2017 Non-Employee Directors Equity Incentive Plan (2017 Directors Plan). In connection with stockholder approval of the 2017 Directors Plan, the 2005 Non-Employee Directors Equity Incentive Plan (2005 Directors Plan) was terminated as of April 6, 2017, and no awards cancould be granted under the 2005 Directors Plan after that date.
Under the 2005 Directors Plan, the Company granted options, to purchase 188,709 shares of common stock, which vest over a period of three to four years with an aggregate grant date fair value of $6.7 million, to non-employee directors during fiscal 2007, fiscal 2011, fiscal 2015, and fiscal 2017.directors. As of October 31, 2017, 18,354 shares of restricted stock were unvested and 107,2072021, 15,000 stock options were outstanding under the 2005 Directors Plan.
The 2017 Directors Plan provides for equity awards to non-employee directors in the form of stock options, restricted stock units, restricted stock or a combination thereof. TheOn April 6, 2017, the Company’s stockholders have approved an aggregate of 0.45 million shares of common stock reserved under the 2017 Directors Plan.

As of October 31, 2017, theThe Company has issued an aggregate of 19,624 shares ofgrants restricted stock awards with an aggregate grant date fair value of approximately $1.4 millionand options under the 2017 Directors Plan. Restricted stock awards generally vest on an annual basis and options vest over a period of three years. As of October 31, 2017, 19,6242021, 4,690 shares of restricted stock awards were unvested and no5,998 stock options were outstanding, and a total of 430,376384,992 shares of common stock were reserved for future grantissuance under the 2017 Directors Plan.
Other Assumed Stock Plans through Acquisitions. In connection with the Company’s acquisitions in fiscal 2008, fiscal 2010, fiscal 2012, fiscal 2014, fiscal 2015, and fiscal 2017, the The Company has assumed certain outstanding stock awards of acquired companies.companies, including restricted stock units and options. If these assumed equity awards are canceled, forfeited or expire unexercised, the underlying shares do not become available for future grant. As of October 31, 2017, 0.4
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SYNOPSYS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

2021, 0.1 millionshares of the Company’s common stock remained subject to such outstanding assumed equity awards.
Restricted Stock Units. Since fiscal 2007, restricted stock units are granted under the 2006 Employee Plan as part of the Company’s new hire and annual incentive compensation program. Restricted stock units are valued based on the closing price of the Company’s common stock on the grant date. In general, restricted stock units vest over three to four years and are subject to the employee's continuing service with the Company. For each restricted stock unit granted under the 2006 Employee Plan, a share reserve ratio is applied for the purpose of determining the remaining number of shares reserved for future grants under the plan. On April 3, 2012, the Company's stockholders approved an amendment of the 2006 Employee Plan to prospectively change the share reserve ratio from 1.25 to 1.50. On April 2, 2015, the stockholders approved amending the share reserve ratio from 1.50 to 1.60. On March 29, 2016, the stockholders approved amending the share reserve ratio from 1.60 to 1.70.
The following table contains information concerning activities related to restricted stock units:units granted under the 2006 Employee Plan:
Restricted
Stock Units Outstanding(1)
Weighted 
Average
Grant Date
Fair Value
Weighted
Average
Remaining
Contractual
Life (In Years)
Aggregate
Fair
Value
 (in thousands, except per share and life amounts)
Balance at October 31, 20183,769 $72.75 1.46
Granted(2)
1,844 $119.27 
Vested(3)
(1,508)$65.97 $176,659 
Forfeited(248)$79.49 
Balance at October 31, 20193,857 $97.21 1.56
Granted(2)
2,041 $168.15 
Vested(3)
(1,480)$88.70 $261,563 
Forfeited(288)$104.67 
Balance at October 31, 20204,130 $134.80 1.47
Granted(2)
1,901 $258.58 
Vested(3)
(1,565)$122.01 $421,034 
Forfeited(279)$167.76 
Balance at October 31, 20214,187 $193.58 1.39
(1)No restricted stock units were assumed in connection with acquisitions in the last three fiscal years, but the balance at fiscal year-end includes certain restricted stock units that were previously assumed in connection with acquisitions.
(2) Includes restricted stock units granted to senior management with performance-based vesting criteria (in addition to service-based vesting criteria) (performance-based RSUs) reported at the maximum possible number of shares that may ultimately be issuable if all applicable performance-based criteria are achieved at their maximum levels and all applicable service-based criteria are fully satisfied.
(3) The number of vested restricted stock units includes shares that were withheld on behalf of employees to satisfy the minimum statutory tax withholding requirements.
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

 
Restricted
Stock Units
 
Weighted 
Average
Grant Date
Fair Value
 
Weighted
Average
Remaining
Contractual
Life (In Years)
 
Aggregate
Fair
Value
 (in thousands, except per share and life amounts)
Balance at October 31, 20143,947
 $35.29
 1.53  
Granted1,707
 $48.13
    
Vested(1)(1,522) $33.05
   $73,677
Forfeited(204) $37.68
    
Balance at October 31, 20153,928
 $41.61
 1.54  
Granted1,765
 $49.59
    
Vested(1)(1,547) $38.33
   $79,558
Forfeited(111) $43.12
    
Balance at October 31, 20164,035
 $46.37
 1.56  
Granted1,584
 $70.49
    
Vested(1)(1,536) $43.53
   $110,103
Forfeited(240) $49.36
    
Balance at October 31, 20173,843
 $57.26
 1.54  
(1)The number of vested restricted stock units includes shares that were withheld on behalf of employees to satisfy the minimum statutory tax withholding requirements.

Stock Options. The following table contains additional information concerning activities related tosummarizes stock option activity and includes stock options and restricted stock units under all equity plans, other than shares available for grantgranted under the 2017 Directors2006 Employee Plan:

 
Available for
Grant(3)
 Options(2)
 
Options
Outstanding
 
Weighted-
Average Exercise
Price per Share
 
Weighted-
Average
Remaining
Contractual
Life (In Years)
 
Aggregate
Intrinsic
Value
 (in thousands, except per share and life amounts)
Balance at October 31, 201412,155
 7,750
 $29.81
 4.66 $86,537
Options granted(1,908) 1,942
 $45.14
    
Options assumed(2)  133
 $38.97
    
Options exercised  (2,125) $26.06
    
Options canceled/forfeited/expired230
 (411) $33.51
    
Restricted stock units granted(1)(2,707)        
Restricted stock units forfeited(1)313
        
Additional shares reserved3,800
        
Balance at October 31, 201511,883
 7,289
 $34.94
 4.67 $109,627
Options granted(1,685) 1,685
 $47.39
    
Options exercised  (2,154) $30.06
    
Options canceled/forfeited/expired33
 (65) $35.31
    
Restricted stock units granted(1)(2,967)        
Restricted stock units forfeited(1)180
        
Additional shares reserved3,800
        
Balance at October 31, 201611,244
 6,755
 $39.59
 4.65 $126,850
Options granted(1,505) 1,536
 $68.18
    
Options assumed(2)  154
 $34.52
    
Options exercised  (1,770) $34.56
    
Options canceled/forfeited/expired129
 (145) $47.17
    
Restricted stock units granted(1)(2,694)        
Restricted stock units forfeited(1)409
        
Additional shares reserved5,000
        
Balance at October 31, 201712,583
 6,530
 $46.83
 4.60 $263,555
Vested and expected to vest as of October 31, 2017  6,530
 $46.83
 4.60 $263,555
Exercisable at October 31, 2017  3,252
 $39.72
 3.64 $154,357
 Options Outstanding
 
Shares Under Stock Option (1)
Weighted-
Average Exercise
Price per Share
Weighted-
Average
Remaining
Contractual
Life (In Years)
Aggregate
Intrinsic
Value
 (in thousands, except per share)
Balance at October 31, 20186,291 $55.63 4.39$214,432 
Granted799 $113.17 
Exercised(1,615)$44.29 
Canceled/forfeited/expired(185)$58.02 
Balance at October 31, 20195,290 $65.57 4.08$373,112 
Granted700 $143.44 
Exercised(1,891)$51.76 
Canceled/forfeited/expired(106)$84.14 
Balance at October 31, 20203,993 $85.26 4.10$513,845 
Granted353 $239.46 
Exercised(1,203)$66.50 
Canceled/forfeited/expired(36)$128.49 
Balance at October 31, 20213,107 $109.51 3.81$694,921 
Vested and expected to vest as of October 31, 20213,107 109.513.81$694,921 
Exercisable at October 31, 20211,990 81.883.08$500,210 
(1)No stock options were assumed in connection with acquisitions in the last three fiscal years, but the balance at fiscal year-end includes certain stock options that were previously assumed in connection with acquisitions.
(1)These amounts do not reflect the actual number of restricted stock units granted or forfeited but rather the effect on the total remaining shares available for future grants after the application of the share reserve ratio. For more information about the share reserve ratio, please see Restricted Stock Units above.
(2)The Company assumed options outstanding under various plans through acquisitions.
(3)Excluding shares reserved for future issuance under the 2017 Directors Plan.
The aggregate intrinsic value in the preceding table represents the pretaxpre-tax intrinsic value based on stock options with an exercise price less than the Company’s closing stock price of $87.19$333.18 as of October 31, 2017.2021. The pretaxpre-tax intrinsic value of options exercised and their average exercise prices were:
 Year Ended October 31,
 202120202019
 (in thousands, except per share price)
Intrinsic value$254,587 $218,640 $110,815 
Average exercise price per share$66.50 $51.76 $44.29 
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

 Year Ended October 31,
 2017 2016 2015
 (in thousands, except per share price)
Intrinsic value$67,089
 $51,408
 $44,104
Average exercise price per share$34.56
 $30.06
 $26.06
Restricted Stock Units and Stock Options. The following table contains additional information concerning activities related to stock options and restricted stock units that were granted under the 2006 Employee Plan and assumed from acquisitions:

Available for Grant (1)(2) (3)
(in thousands, except per share and life amounts)
Balance at October 31, 201812,439 
Options granted(2)
(799)
Options canceled/forfeited/expired(2)
129 
Restricted stock units granted(1)
(3,134)
Restricted stock units forfeited(1)
373 
Additional shares reserved3,200 
Balance at October 31, 201912,208 
Options granted(2)
(694)
Options canceled/forfeited/expired(2)
102 
Restricted stock units granted(1)
(3,469)
Restricted stock units forfeited(1)
482 
Additional shares reserved3,500 
Balance at October 31, 202012,129 
Options granted(2)
(353)
Options canceled/forfeited/expired(2)
36 
Restricted stock units granted(1)
(3,232)
Restricted stock units forfeited(1)
471 
Additional shares reserved4,700 
Balance at October 31, 202113,751 
(1)Restricted stock units include awards granted under the 2006 Employee Plan and assumed through acquisitions. The number of RSUs reflects the application of the award multiplier of 1.70x as described above.
(2)Options granted by the Company are not subject to the award multiplier ratio described above.
(3)Excluding shares reserved for future issuance under the 2017 Directors Plan.


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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

Restricted Stock Awards. The following table summarizes restricted stock award activities during fiscal 20172021 under the 2005 Directors Plan and 2017 Directors Plan are summarized as follows:Plan:
Restricted
Shares
Weighted-Average
Grant Date Fair Value
 (in thousands, except per share)
Unvested at October 31, 201820 $73.95 
Granted11 $116.43 
Vested(20)$73.95 
Forfeited— $— 
Unvested at October 31, 201911 $116.43 
Granted$140.97 
Vested(11)$116.43 
Forfeited— $— 
Unvested at October 31, 2020$140.97 
Granted$261.01 
Vested(9)$140.97 
Forfeited— $— 
Unvested at October 31, 2021$261.01 
 
Restricted
Shares
 
Weighted-Average
Grant Date Fair Value
 (in thousands, except per share)
Unvested at October 31, 201643
 $45.97
Granted20
 $71.34
Vested(22) $44.33
Forfeited(3) $47.65
Unvested at October 31, 201738
 $59.89
Valuation and Expense of Stock-Based Compensation. The Company estimates the fair value of stock-based awards in the form of stock options and employee stock purchase rights under employee stock purchase plansthe ESPP on the grant date. The value of awards expected to vest is recognized as expense over the applicable service periods. The Company uses the straight-line attribution method to recognize stock-based compensation costs over the service period of the award. award except for performance grants with specific performance criteria. With respect to such performance grants in each reporting period, the Company estimates the probability of achievement of applicable performance goals and recognizes related stock-based compensation expense using the graded-vesting method. The amount of stock-based compensation expense recognized in any one period can vary based on the attainment or expected attainment of the various performance goals. If such performance goals are not ultimately met, no compensation expense is recognized and any previously recognized compensation expense is reversed.
The Company uses the Black-Scholes option-pricing model to determine the fair value of stock options stock appreciation rights and employee stock purchase plan awardsrights. The Black-Scholes option-pricing model incorporates various subjective assumptions including expected volatility, expected term and interest rates. The expected volatility for both stock options and employee stock purchase rights under the ESPP is estimated by a combination of implied volatility for publicly traded options of the Company’s common stock with a term of six months or longer and the historical stock price volatility over the estimated expected term of the Company’s stock-based awards. The expected term of the Company’s stock-basedsuch awards, which is based on historical experience. Restricted stock units are valued based on the closing price of the Company’s common stock on the grant date.
The assumptions presented in the following table were used to estimate the fair value of stock options and employee stock purchase rights granted under the Company’s stock plans or stock plans assumed from acquisitions:
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—Continued

Year Ended October 31, Year Ended October 31,
2017 2016 2015 202120202019
Stock Options Stock Options
Expected life (in years)4.1 4.1 4.3Expected life (in years)4.14.14.1
Risk-free interest rate1.73% - 2.06% 1.06% - 1.63% 1.24% - 1.58%Risk-free interest rate0.35%- 1.00%0.26% - 1.71%1.28% - 2.73%
Volatility18.51% - 19.67% 19.21%-21.62% 16.92%-21.76%Volatility29.19% -32.28%23.05% - 32.80%23.16%- 24.76%
Weighted average estimated fair value$13.56 $8.97 $8.77Weighted average estimated fair value$61.58$33.02$22.86
ESPP ESPP
Expected life (in years)0.5 - 2.0 0.5 - 2.0 0.5 - 2.0Expected life (in years)0.5 - 2.00.5 - 2.00.5 - 2.0
Risk-free interest rate0.82% - 1.37% 0.53% - 0.86% 0.12% - 0.75%Risk-free interest rate0.00% - 0.19%0.09% - 1.24%1.54% - 2.60%
Volatility17.20% - 19.99% 17.03% - 25.46% 18.01% - 21.60%Volatility28.02% - 39.68%25.59% - 43.06%23.73% - 27.86%
Weighted average estimated fair value$18.77 $12.75 $11.11Weighted average estimated fair value$89.82$47.69$35.18
The following table presents stock-based compensation expense for fiscal 2017, 2016 and 2015, respectively:
 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Cost of products$12,553
 $11,006
 $9,162
Cost of maintenance and service3,918
 2,418
 2,164
Research and development expense52,933
 49,511
 43,431
Sales and marketing expense21,001
 19,690
 17,744
General and administrative expense17,889
 14,958
 13,899
Stock-based compensation expense before taxes108,294
 97,583
 86,400
Income tax benefit(30,950) (25,967) (20,071)
Stock-based compensation expense after taxes$77,344
 $71,616
 $66,329


The Company elected to early adopt ASU 2016-09, "Compensation-Stock Compensation (Topic 718), Improvements to Employee Share-Based Payment Accounting (ASU 2016-09)" in the first quarter of fiscal 2017. As required by ASU 2016-09, excess tax benefitscost recognized on stock-based compensation expense are classified as an operating activity in the consolidated statements of cash flows andincome for the Company has elected to apply this provision on a prospective basis. The Company also elected to account for forfeituresCompany's stock compensation arrangements was as they occur and recorded a one-time adoption expense of $0.4 million to retained earnings.follows:
 Year Ended October 31,
 202120202019
 (in thousands)
Cost of products$38,345 $27,193 $17,193 
Cost of maintenance and service13,817 9,327 6,385 
Research and development expense171,013 125,814 75,853 
Sales and marketing expense61,940 43,205 28,834 
General and administrative expense60,157 43,045 26,736 
Stock-based compensation expense before taxes345,272 248,584 155,001 
Income tax benefit(53,483)(39,077)(26,226)
Stock-based compensation expense after taxes$291,789 $209,507 $128,775 
As of October 31, 2017,2021, the Company had $215.5$680.8 million of total unrecognized stock-based compensation expense relating to options and restricted stock units and awards, which is expected to be recognized over a weighted average period of 2.52.2 years. As of October 31, 2021, the Company had $49.3 million of total unrecognized stock-based compensation expense relating to the ESPP, which is expected to be recognized over a period of 2.0 years.
Deferred Compensation Plan. The Company maintains the Synopsys Deferred Compensation Plan (the Deferred(Deferred Plan), which permits eligible employees to defer up to 50% of their annual cash base compensation and up to 100% of their eligible cash variable compensation. Amounts may be withdrawn from the Deferred Plan pursuant to elections made by the employees in accordance with the terms of the plan. Since the inception of the Deferred Plan, the Company has not made any matching or discretionary contributions to the Deferred Plan. There are no Deferred Plan provisions that provide for any guarantees or minimum return on investments. Undistributed amounts under the Deferred Plan are subject to the claims of the Company’s creditors. The securities held by the Deferred Plan are classified as trading securities.
Deferred Plan Assetsplan assets and Liabilitiesliabilities are as follows:
As of October 31, 2021As of October 31, 2020
 (in thousands)
Plan assets recorded in other long-term assets$343,820 $269,737 
Plan liabilities recorded in other long-term liabilities(1)
$343,820 $269,737 
(1)Undistributed deferred compensation balances due to participants.
83

 As of October 31, 2017 As of October 31, 2016
 (In thousands)
Plan assets recorded in other long-term assets$197,542
 $163,185
Plan liabilities recorded in other long-term liabilities(1)$197,542
 $163,185

(1)Undistributed deferred compensation balances due to participants.
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Income or loss from the change in fair value of the Deferred Plan assets is recorded in other income (expense), net. The increase or decrease in the fair value of the undistributed Deferred Plan obligation is recorded in total cost of revenue and operating expense. The following table summarizes the impact of the Deferred Plan:
 Year Ended October 31,
 202120202019
 (in thousands)
Increase (reduction) to cost of revenue and operating expense$71,603 $21,469 $27,759 
Other income (expense), net71,603 21,469 27,759 
Net increase (decrease) to net income$— $— $— 
 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Increase (reduction) to cost of revenue and operating expense$29,606
 $4,400
 $3,701
Other income (expense), net29,606
 4,400
 3,701
Net increase (decrease) to net income$
 $
 $
Other Retirement Plans. The Company sponsors various retirement plans for its eligible U.S. and non-U.S. employees. Total contributions to these plans were $57.4$68.8 million, $53.4$54.7 million, and $40.0$50.7 million in fiscal 2017, 20162021, 2020, and 2015,2019, respectively. For employees in the United States and Canada, the Company matches pretaxpre-tax employee contributions up to a maximum of U.S. $3,000 and Canadian $4,000, respectively, per participant per year.
Note 11.13. Income Taxes
The domestic and foreign components of the Company’s total income (loss) before provision for income taxes are as follows:
Year Ended October 31, Year Ended October 31,
2017 2016 2015 202120202019
(in thousands) (in thousands)
United States$(2,702) $22,134
 $42,571
United States$640,531 $544,391 $487,430 
Foreign385,800
 307,414
 239,039
Foreign164,983 93,768 58,076 
Total income (loss) before provision for income taxes$383,098
 $329,548
 $281,610
Total income (loss) before provision for income taxes$805,514 $638,159 $545,506 
The components of the provision (benefit) for income taxes were as follows:

 Year Ended October 31,
 202120202019
 (in thousands)
Current:
Federal$85,950 $29,272 $22,821 
State11,898 1,863 11,846 
Foreign79,890 55,103 61,092 
177,738 86,238 95,759 
Deferred:
Federal(108,530)(84,739)(41,219)
State1,796 (20,233)(7,227)
Foreign(21,849)(6,554)(34,174)
(128,583)(111,526)(82,620)
Provision (benefit) for income taxes$49,155 $(25,288)$13,139 
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 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Current:     
Federal$25,420
 $(6,106) $(21,911)
State5,565
 2,670
 1,385
Foreign92,498
 80,195
 39,319
 123,483
 76,759
 18,793
Deferred:     
Federal95,003
 (23,510) 44,462
State24,440
 11,950
 (2,282)
Foreign3,609
 (2,477) (5,297)
 123,052
 (14,037) 36,883
Provision (benefit) for income taxes$246,535
 $62,722
 $55,676
The provision (benefit) for income taxes differs from the taxes computed with the statutory federal income tax rate as follows:
 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Statutory federal tax$134,084
 $115,343
 $98,564
State tax (benefit), net of federal effect(20,071) (14,492) (7,186)
Tax credits (1)(24,365) (36,979) (13,301)
Tax on foreign earnings less than U.S. statutory tax(52,413) (68,246) (56,536)
Tax settlements(7,057) (16,479) (6,251)
Stock-based compensation(26,205) 5,709
 5,406
Changes in valuation allowance47,745
 25,590
 2,206
Integration of acquired technologies36,443
 37,525
 33,015
Undistributed earnings of foreign subsidiaries(9,610) 9,940
 
Tax impact of repatriation166,152
 
 
Other1,832
 4,811
 (241)
Provision (benefit) for income taxes$246,535
 $62,722
 $55,676

(1)Tax credits include benefits from the retroactive reinstatement of the U.S. federal research tax credit. The U.S. federal research tax credit was reinstated in fiscal 2015, resulting in a tax benefit of approximately $12.4 million in the above amount for the period January 1 through December 31, 2014. The credit was permanently reinstated in fiscal 2016, resulting in a tax benefit of approximately $37.1 million in the above amount for the period January 1, 2015 through October 31, 2016.

 Year Ended October 31,
 202120202019
 (in thousands)
Statutory federal tax$168,745 $133,979 $114,557 
State tax (benefit), net of federal effect(2,419)(29,096)6,529 
Federal Tax credits(45,503)(39,206)(34,485)
Tax on foreign earnings7,988 (3,980)23,467 
Foreign-derived intangible income deduction(31,214)(24,282)(26,615)
Tax settlements(7,134)(13,167)(10,953)
Stock-based compensation(62,620)(50,047)(25,356)
Changes in valuation allowance15,232 (614)(42,144)
Undistributed earnings of foreign subsidiaries— — 6,341 
Other6,080 1,125 1,798 
Provision (benefit) for income taxes$49,155 $(25,288)$13,139 
The integrationCompany has provided for foreign withholding taxes on undistributed earnings of acquired technologies representscertain of its foreign subsidiaries to the incomeextent such earnings are no longer considered to be indefinitely reinvested in the operations of those subsidiaries. Where foreign subsidiaries are considered indefinitely reinvested, and if the tax effect resulting fromof undistributed earnings and other outside basis differences were recognized, the transfernature of certain intangible assets among company-controlled entities. The incometaxes expected would be primarily withholding taxes, taxes in non-conforming states, and taxes on intermediate holding companies outside of the U.S., net of foreign tax effectcredits where available. As of October 31, the taxes due, after allowable foreign tax credits, are not expected to be material.
On June 7, 2019, the United States Court of Appeals for the Ninth Circuit (Ninth Circuit) overturned a prior ruling to exclude stock-based compensation in cost-sharing arrangements. In the third quarter of 2019, as a result of the Ninth Circuit decision, the Company recorded a tax expense of $18.3 million, which is generally recognized over five years. These intangible assets generally result from the acquisitionnet of technology by a company-controlled entity as part of a business or asset acquisition.

estimated U.S. foreign tax credits.

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The significant components of deferred tax assets and liabilities were as follows:
October 31, October 31,
2017 2016 20212020
(in thousands) (in thousands)
Net deferred tax assets:   Net deferred tax assets:
Deferred tax assets:   Deferred tax assets:
Accruals and reserves$36,906
 $34,324
Deferred revenue42,420
 42,497
Deferred revenue30,113 2,367 
Deferred compensation67,145
 64,321
Deferred compensation59,823 55,172 
Capitalized costs51,679
 54,123
Intangible and depreciable assetsIntangible and depreciable assets117,211 115,097 
Capitalized research and development costs12,508
 18,896
Capitalized research and development costs203,052 118,857 
Stock-based compensation23,679
 22,298
Stock-based compensation40,922 28,478 
Tax loss carryovers23,623
 31,748
Tax loss carryovers30,305 35,571 
Foreign tax credit carryovers7,662
 10,369
Foreign tax credit carryovers32,498 18,645 
Research and other tax credit carryovers157,817
 136,690
Research and other tax credit carryovers326,164 320,317 
Other
 5,161
Operating Lease LiabilitiesOperating Lease Liabilities94,519 101,386 
Gross deferred tax assets423,439
 420,427
Gross deferred tax assets934,607 795,890 
Valuation allowance(121,770) (73,909)Valuation allowance(174,117)(158,895)
Total deferred tax assets301,669
 346,518
Total deferred tax assets760,490 636,995 
Deferred tax liabilities:   Deferred tax liabilities:
Intangible assets62,299
 54,604
Intangible assets61,448 45,915 
Operating lease Right-of-Use-Assets Operating lease Right-of-Use-Assets77,877 84,716 
Accruals and reserves Accruals and reserves6,216 7,780 
Undistributed earnings of foreign subsidiaries1,300
 10,888
Undistributed earnings of foreign subsidiaries7,580 3,063 
Other1,758
 
Other628 372 
Total deferred tax liabilities65,357
 65,492
Total deferred tax liabilities153,749 141,846 
Net deferred tax assets$236,312
 $281,026
Net deferred tax assets$606,741 $495,149 
It is more likely than not that the results of future operations will be able to generate sufficient taxable income to realize the net deferred tax assets. The valuation allowance provided against the Company's deferred tax assets as of October 31, 20172021 is mainly attributable to foreign tax credits available to non-U.S. subsidiaries and the California research credit and international foreign tax credit carryforwards.credits. The valuation allowance increased by a net of $47.9$15.2 million in fiscal 20172021 primarily due to a change in the realizability of deferred tax assets related to the net increase of valuation allowance on California research credit carryforwards. Most of the change relates to a significant increase in the Company's share price in fiscal 2017, which results in a higher tax deduction that reduces the future California sourced taxable income and the amount of California research credits the Company expects to utilize. The remainder of the increase relates to an agreement the Company reached with the California tax authorities in fiscal 2017 which resulted primarily in the recognition of unrecognized tax benefits offset by a corresponding increase in the valuation allowance of $13.2 million.credits.
The Company has the following tax loss and credit carryforwards available to offset future income tax liabilities:
CarryforwardAmountExpiration
Date
(in thousands)
Federal net operating loss carryforward$43,778 2022-2040
Federal research credit carryforward158,143 2022-2041
Federal foreign tax credit carryforward12,153 2027-2032
International foreign tax credit carryforward17,364 Indefinite
International net operating loss carryforward55,342 2027-Indefinite
California research credit carryforward193,404 Indefinite
Other state research credit carryforward17,767 2024-2041
State net operating loss carryforward79,621 2023-2044
CarryforwardAmount 
Expiration
Date
 (in thousands)  
Federal net operating loss carryforward$57,265
 2018-2034
Federal research credit carryforward78,599
 2019-2036
Federal foreign tax credit carryforward2,081
 2019-2022
International foreign tax credit carryforward13,351
 Indefinite
California research credit carryforward169,038
 Indefinite
Other state research credit carryforward7,482
 2023-2032
State net operating loss carryforward33,201
 2024-2035
The federal and state net operating loss carryforward is from acquired companies and the annual use of such loss is subject to significant limitations under Internal Revenue Code Section 382.382 and certain provisions of the Tax Act. Foreign tax credits may only be used to offset tax attributable to foreign source income. The federal research tax credit was permanently reinstated in fiscal 2016.

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The Company adopted ASU 2016-09 in the first quarter of fiscal 2017. The Company recorded all income tax effects of share-based awards in its provision for income taxes in the condensed consolidated statement of operations on a prospective basis. Prior to adoption, the Company did not recognize excess tax benefits from stock-based compensation as a charge to capital in excess of par value to the extent that the related tax deduction did not reduce income taxes payable. Upon adoption of ASU 2016-09, the Company recorded a deferred tax asset of $106.5 million mainly related to the research tax credit carryover, for the previously unrecognized excess tax benefits with an offsetting adjustment to retained earnings. Adoption of the new standard resulted in net excess tax benefits in the provision for income taxes of $38.1 million for fiscal 2017.
During the fourth quarter of fiscal 2017, the Company repatriated $825 million from its foreign subsidiary. The repatriation was executed in anticipation of potential U.S. corporate tax reform, and the Company plans to indefinitely reinvest the remainder of its undistributed foreign earnings outside the United States. The Company provides for U.S. income and foreign withholding taxes on foreign earnings, except for foreign earnings that are considered indefinitely reinvested outside the U.S. As of October 31, 2017, there were approximately $598.3 million of earnings upon which U.S. income taxes of approximately $110.0 million have not been provided for.
The gross unrecognized tax benefits decreased by approximately $14.9$0.8 million during fiscal 20172021 resulting in gross unrecognized tax benefits of $91.6$82.4 million as of October 31, 2017.2021. A reconciliation of the beginning and ending balance of gross unrecognized tax benefits is summarized as follows:
As of October 31, 2017 As of October 31, 2016As of October 31, 2021As of October 31, 2020
(in thousands) (in thousands)
Beginning balance$106,542
 $132,054
Beginning balance$83,149 $116,212 
Increases in unrecognized tax benefits related to prior year tax positions3,117
 7,205
Increases in unrecognized tax benefits related to prior year tax positions794 5,390 
Decreases in unrecognized tax benefits related to prior year tax positions(49,456) (43,944)Decreases in unrecognized tax benefits related to prior year tax positions(7,372)(43,783)
Increases in unrecognized tax benefits related to current year tax positions31,007
 13,880
Increases in unrecognized tax benefits related to current year tax positions9,168 9,226 
Decreases in unrecognized tax benefits related to settlements with taxing authorities(784) (333)Decreases in unrecognized tax benefits related to settlements with taxing authorities(1,538)(1,411)
Reductions in unrecognized tax benefits due to lapse of applicable statute of limitations(2,635) (2,659)Reductions in unrecognized tax benefits due to lapse of applicable statute of limitations(1,235)(2,472)
Increases in unrecognized tax benefits acquired1,934
 49
Increases in unrecognized tax benefits acquired— 778 
Changes in unrecognized tax benefits due to foreign currency translation1,912
 290
Changes in unrecognized tax benefits due to foreign currency translation(606)(791)
Ending balance$91,637
 $106,542
Ending balance$82,360 $83,149 
As of October 31, 20172021 and 2016,2020, approximately $88.5$82.4 million and $106.5$83.1 million, respectively, of the unrecognized tax benefits would affect the Company's effective tax rate if recognized upon resolution of the uncertain tax positions.
Interest and penalties related to estimated obligations for tax positions taken in the Company’s tax returns are recognized as a component of income tax expense (benefit) in the consolidated statements of operationsincome and totaled approximately $0.4 million,$0.2 million, $0.8 million and $0.6$0.3 million for fiscal years 2017, 20162021, 2020 and 2015,2019, respectively. As of October 31, 20172021 and 2016,2020, the combined amount of accrued interest and penalties related to tax positions taken on the Company’s tax returns was approximately $3.2$13.5 million and $3.1$13.1 million, respectively.
The timing of the resolution of income tax examinations, and the amounts and timing of various tax payments that are part of the settlement process, are highly uncertain. Variations in such amounts and/or timing could cause large fluctuations in the balance sheet classification of current and non-current assets and liabilities. The Company believes that in the coming 12 months, it is reasonably possible that either certain audits and ongoing tax litigation will conclude or the statute of limitations on certain state and foreign income and withholding taxes will expire, or both. Given the uncertainty as to ultimate settlement terms, the timing of payment and the impact of such settlements on other uncertain tax positions, the range of the estimated potential decrease in underlying unrecognized tax benefits is between $0$0.0 and $32$42.5 million.

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The Company and/or its subsidiaries remain subject to tax examination in the following jurisdictions:
Jurisdiction
JurisdictionYear(s) Subject to Examination
United StatesFiscal 20172020
CaliforniaFiscal years after 20142017
Hungary and IrelandFiscal years after 20102018
Japan and TaiwanIrelandFiscal years after 20112017
Japan and TaiwanFiscal years after 2016
KoreaFiscal years after 2016
In addition, the Company has made acquisitions with operations in several of its significant jurisdictions which may have years subject to examination different from the years indicated in the above table.
On July 27, 2015,Intra-Entity Transfers of Assets
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In October 2016, the United States Tax Court (Tax Court)FASB issued an opinion (Altera Corp. et al. v. Commissioner) regardingASU 2016-16, "Income Taxes (Topic 740), Intra-Entity Transfers of Assets Other Than Inventory.” This ASU requires the treatmentimmediate recognition of stock-based compensation expense in intercompany cost-sharing arrangements. The U.S. Treasury has not withdrawncurrent and deferred income tax effects of intra-entity transfers of assets other than inventory. This ASU was adopted on the requirement to include stock-based compensation from its regulations and the IRS has initiated an appealfirst day of fiscal 2019. As a result of the Tax Court's opinion. Asadoption, the final resolutionCompany recorded a decrease of approximately $130.5 million in retained earnings as of the beginning of the period of adoption, with respect to historical cost-sharing of stock-based compensation, and the potential favorable benefitsa corresponding decrease in prepaid taxes related to the unamortized tax expense attributed to intra-entity transfers of assets other than inventory previously deferred. The Company is unclear,recognizes the Company is recording no impact at this time and will continue to monitor developments related to this opinion andincome tax consequences of new intra-entity transfers of assets other than inventory in the potential impactconsolidated statements of those developments onincome in the Company's prior fiscal years. Effective February 1, 2016,period when the Company amended its cost- sharing arrangement to exclude stock-based compensation expense on a prospective basis and has reflected the corresponding benefits in its effective annual tax rate.transaction takes place.
IRS Examinations
In fiscal 2017,2021, the Examination Division of the IRS completed its pre-filing review for fiscal 2020 and as a result the Company recognized approximately $7.1 million in unrecognized tax benefits, primarily due to the allowance of research tax credits.
In fiscal 2020, the Company reached partial settlement with the Examination Division of the IRS for fiscal 2019 and recognized approximately $6.3 million in unrecognized tax benefits, primarily due to the allowance of certain foreign tax credits and research tax credits.
In fiscal 2019, the Company reached final settlement with the Examination Division of the IRS for fiscal 20162018 and recognized approximately $4.6$5.4 million in unrecognized tax benefits.
In fiscal 2016, the Company reached final settlement with the Examination Divisionbenefits and realized $28.1 million of the IRS for fiscal 2015 and recognized approximately $20.7 million in unrecognizedforeign tax benefits.
In fiscal 2015, the Company reached final settlement with the IRS on the integration of acquired technologies for fiscal 2015 and research tax credit for fiscal 2014 that resulted in $7.0 million and $3.2 million in tax benefits, respectively.credits.
State Examinations
In fiscal 2017, the Company reached an agreement with the California Franchise Tax Board for fiscal 2014, 2013, and 2012. As a result of the agreement, the Company recognized tax expense of $0.4 million, reduced its deferred tax assets by $1.1 million, recognized $14.6 million in unrecognized tax benefits, and increased its valuation allowance by $13.2 million.
In fiscal 2016,2020, the Company reached final settlement with the California Franchise Tax Board for fiscal 2011, 2010,2015, 2016, and 2009.2017. As a result of the settlement, the Company reduced its deferred tax assets by $4.9 million, recognized $10.3$20.2 million in unrecognized tax benefits and increased its valuation allowance by $5.4$20.2 million.
Non-U.S. Examinations
HungaryHungarian Tax Authority
In July 2017, the Hungarian Tax Authority (HTA)(the HTA) issued a final assessment against the Company's Hungarian subsidiary (Synopsys Hungary) for fiscal years 2011 through 2013. The HTA has disallowed Synopsys Hungary's tax positions taken during these years regarding the timing of the deduction of research expenses and applied withholding taxes on certain payments made to affiliates, resulting in an aggregate tax assessment of approximately $47$25.0 million and interest and penalties of over $18 million (at current exchange rates). In addition, if the treatment of research expense were applied to fiscal years after 2014, Synopsys Hungary could lose approximately $18 million in tax benefit in tax periods subsequent to fiscal 2017 due to the enacted reduction of Hungary's corporate income tax rate. While the ultimate outcome is not certain, the Company believes there is no merit to the assessment and that it will ultimately prevail against the positions taken by the HTA. To that end, on$11.0 million. On August 2, 2017, Synopsys Hungary filed a claim contesting the final assessment with the Hungarian Administrative Court. On November 16, 2017,Court (the Administrative Court). In the first quarter of fiscal 2018, Synopsys Hungary paid the assessment,assessments, penalties and interest as required by law and recorded these amounts as prepaid taxes on its balance sheet, while continuing its challenge to the assessment through the Hungarian Administrative Court. On April 30, 2019, the Administrative Court ruled against Synopsys Hungary. The Administrative Court's opinion was received on May 16, 2019 and the Company filed an appeal with the Hungarian Supreme Court on July 5, 2019. In the second quarter of 2019, as a result of the Court's decision, the Company recorded a tax expense due to an unrecognized tax benefit of $17.4 million, which is net of estimated U.S. foreign tax credits for the tax assessments. The Hungarian Supreme Court heard the Company's appeal on November 12, 2020 and remanded the case to the Administrative Court for further proceedings. The Company received the Hungarian Supreme Court's written decision in court. Athe first quarter of fiscal 2021. On April 27, 2021, the Administrative Court reheard the case and again ruled against Synopsys Hungary. The Company received the written opinion from the Administrative Court on May 19, 2021. The Company filed an appeal with the Hungarian Supreme Court on July 19, 2021 and the hearing for the appeal is scheduled for early 2018. IfJanuary 27, 2022.
In fiscal 2020, the Company prevails,reached final settlement with the assessmentHTA for fiscal years 2014 through 2018. As a result of $47the settlement, the Company recognized tax expense of $1.4 million, and associated interestrecognized $6.9 million in unrecognized tax benefits.
National Taxation Bureau of Taipei
In fiscal 2019, the Company reached final settlement with the National Taxation Bureau of Taipei for fiscal year 2017 and recognized $5.5 million in previously unrecognized tax benefits.

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penalties would be canceled, but the Hungarian statutory accounting treatment could have an indirect adverse impact on certain tax benefits in the year of the cancellation.
Korea
In fiscal 2017, the Company settled certain transfer pricing issues with the Korea National Tax Service for fiscal years 2012 to 2016. As a result of the settlement, the Company recognized income tax expense of $7.9 million.
Taiwan
In fiscal 2017, the Company reached an agreement with the Taiwanese tax authorities on certain tax positions for fiscal year 2014 resulting in an income tax benefit of $10.9 million.
In fiscal 2016, the Company reached final settlement with the Taiwanese tax authorities for fiscal 2011, with regard to certain transfer pricing issues. As a result of the settlement, the Company paid $0.3 million of tax and recognized $0.7 million in unrecognized tax benefits.
In fiscal 2015, the Company reached final settlement with the Taiwanese tax authorities for fiscal 2012 with regard to certain transfer pricing issues. As a result of the settlement, the Company recognized approximately $1.1 million in unrecognized tax benefits. The Company also reached final settlement with the Taiwanese tax authorities for fiscal 2013 with regard to certain transfer pricing issues. As a result of the settlement and the application of the settlement to fiscal 2014, the Company's unrecognized tax benefits decreased by $1.2 million and $1.2 million for fiscal years 2013 and 2014, respectively.
India
In fiscal 2016, the Company agreed to settle certain transfer pricing issues with the Indian tax authorities for various fiscal years. As a result of the settlement, the Company recognized income tax expense, net of foreign tax credits, of $4.6 million.
Note 12.14. Other Income (Expense), Net
The following table presents the components of other income (expense), net:
 Year Ended October 31,
 202120202019
 (in thousands)
Interest income$2,442 $3,561 $6,859 
Interest expense(3,365)(5,140)(11,659)
Gain (loss) on assets related to deferred compensation plan71,603 21,469 27,759 
Foreign currency exchange gain (loss)5,292 5,544 3,588 
Other, net(5,248)(7,416)(1,272)
Total$70,724 $18,018 $25,275 
 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Interest income$7,241
 $3,715
 $2,785
Interest expense(7,303) (3,771) (2,814)
Gain (loss) on assets related to deferred compensation plan29,606
 4,400
 3,701
Foreign currency exchange gain (loss)3,354
 156
 6,363
Other, net2,637
 7,653
 5,109
Total$35,535
 $12,153
 $15,144
Note 13.15. Segment Disclosure
ASC 280, Segment Reporting, requires disclosures of certain information regarding operating segments, products and services, geographic areas of operation and major customers. Segment reporting is based upon the “management approach,” i.e., how management organizes the Company’s operating segments for which separate financial information is (1) available and (2) evaluated regularly by the Chief Operating Decision Makers (CODMs) in deciding how to allocate resources and in assessing performance. Synopsys’The Company's CODMs are the Company’s twoits 2 Co-Chief Executive Officers.
The Company operates inhas 2 reportable segments: (1) Semiconductor & System Design, which includes EDA tools, IP products, system integration solutions and other associated revenue categories, and (2) Software Integrity, which includes a single segmentcomprehensive solution for building integrity—security, quality and compliance testing—into the customers’ software development lifecycle and supply chain.
The financial information provided to provide software products and consulting services primarily in the EDA software industry. In making operating decisions,used by the CODMs primarily considerto assist in making operational decisions, allocating resources, and assessing performance reflects consolidated financial information as well as revenue, adjusted operating income, and adjusted operating margin information for the Semiconductor & System Design and Software Integrity segments, accompanied by disaggregated information about revenuesrelating to revenue by geographic region. Specifically,
Information by reportable segment was as follows:
 Year Ended October 31,
 202120202019
 (in thousands)
Total Segments:
      Revenue$4,204,193 $3,685,281 $3,360,694 
      Adjusted operating income1,281,389 1,031,630 838,821 
      Adjusted operating margin30 %28 %25 %
Semiconductor & System Design:
      Revenue$3,810,409 $3,327,211 $3,026,097 
      Adjusted operating income1,243,078 990,837 806,618 
      Adjusted operating margin33 %30 %27 %
Software Integrity:
      Revenue$393,784 $358,070 $334,597 
      Adjusted operating income38,311 40,793 32,203 
      Adjusted operating margin10 %11 %10 %
Certain operating expenses are not allocated to the segments and are managed at a consolidated level. The unallocated expenses managed at a consolidated level, including amortization of intangible assets, stock-based compensation and certain other operating expenses, are presented in the table below to provide a reconciliation of the total adjusted operating income from segments to the Company's consolidated operating income:
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 Year Ended October 31,
 202120202019
 (in thousands)
Total segment adjusted operating income$1,281,389 $1,031,630 $838,821 
Reconciling items:
      Amortization of intangible expense(82,380)(91,281)(100,914)
      Stock-based compensation expense(345,272)(248,584)(155,001)
      Other(118,947)(71,624)(62,675)
Total operating income$734,790 $620,141 $520,231 
The CODMs do not use total assets by segment to evaluate segment performance or allocate resources. As a result, total assets by segment are not required to be disclosed.
In allocating revenue to particular geographic areas, the CODMs consider where individual “seats” or licenses to the Company’s products are located in allocating revenue to particular geographic areas.located. Revenue is defined as revenuesrevenue from external customers. Goodwill is not allocated since the Company operates in one reportable operating segment. RevenuesRevenue and property and equipment, net, related to operations in the United States and other by geographic areas were:

 Year Ended October 31,
 202120202019
 (in thousands)
Revenue:
United States$1,951,964 $1,774,348 $1,676,178 
Europe440,825 385,287 349,033 
China562,711 420,829 321,777 
Korea427,471 389,008 353,358 
Other821,222 715,809 660,348 
Consolidated$4,204,193 $3,685,281 $3,360,694 
 Year Ended October 31,
 2017 2016 2015
 (in thousands)
Revenue:     
United States$1,357,364
 $1,205,880
 $1,143,816
Europe308,419
 287,381
 300,352
Japan247,631
 239,964
 218,794
Asia Pacific and Other811,466
 689,307
 579,249
Consolidated$2,724,880
 $2,422,532
 $2,242,211
As of October 31, As of October 31,
2017 2016 20212020
(in thousands) (in thousands)
Property and Equipment, net:   Property and Equipment, net:
United States$189,379
 $186,854
United States$283,602 $311,350 
Other countries76,635
 70,181
OtherOther188,796 172,468 
Total$266,014
 $257,035
Total$472,398 $483,818 
Geographic revenue data for multi-regional, multi-product transactions reflect internal allocations and are therefore subject to certain assumptions and to the Company’s methodology.
OneNaN customer, including its subsidiaries, through multiple agreements accounted for 17.9%10.6%, 15.9%12.4%, and 12.8% of the Company’s consolidated revenue in fiscal 2017, 2016,2021, 2020, and 2015,2019, respectively.
Note 14. Subsequent Events
On November 2, 2017, the Company entered into a definitive agreement pursuant to which the Company has agreed to acquire privately held Black Duck Software, a leader in automated solutions for securing and managing open source software. The acquisition was completed on December 11, 2017 and under the terms of the definitive agreement, the Company paid approximately $547 million, net of cash acquired, and assumed certain unvested equity of Black Duck employees. The transaction was funded by U.S. cash.


Supplementary Data - Selected Unaudited Quarterly Financial Data
The table below includes certain unaudited financial information for the last eight fiscal quarters. Refer to Note 2 of Notes to Consolidated Financial Statements for information on our fiscal year end.
90
 Quarter Ended
 January 31, April 30, July 31, October 31,
 (in thousands, except per share data)
2017       
Revenue$652,786
 $680,069
 $695,381
 $696,644
Gross margin497,040
 518,041
 525,835
 529,780
Income before provision for income taxes108,361
 62,020
 112,791
 99,926
Net income86,588
 53,306
 116,751
 (120,082)
Net income per share       
Basic$0.57
 $0.35
 $0.78
 $(0.80)
Diluted0.56
 0.34
 0.75
 (0.80)
2016       
Revenue$568,604
 $605,005
 $615,204
 $633,719
Gross margin439,160
 473,375
 475,527
 491,508
Income before provision for income taxes64,342
 97,223
 85,231
 82,752
Net income60,035
 69,376
 64,718
 72,697
Net income per share       
Basic$0.39
 $0.46
 $0.43
 $0.48
Diluted0.39
 0.45
 0.42
 0.47

Table of Contents
 Item 9.     Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
Not applicable.
 Item 9A.     Controls and Procedures
(a)
Evaluation of Disclosure Controls and Procedures. As of October 31, 2017, Synopsys carried out an evaluation under the supervision and with the participation of Synopsys’ management, including the Co-Chief Executive Officers and Chief Financial Officer, of the effectiveness of the design and operation of Synopsys’ disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). There are inherent limitations to the effectiveness of any system of disclosure controls and procedures. Accordingly, even effective disclosure controls and procedures can only provide reasonable, not absolute, assurance of achieving their control objectives. Our Co-Chief Executive Officers and Chief Financial Officer have concluded that, as of October 31, 2017, Synopsys’ disclosure controls and procedures were effective to provide reasonable assurance that information required to be disclosed in the reports Synopsys files and submits under the Exchange Act is recorded, processed, summarized and reported as and when required, and that such information is accumulated and communicated to Synopsys’ management, including the Co-Chief Executive Officers and Chief Financial Officer, to allow timely decisions regarding its required disclosure.
(b)
Management’s Report on Internal Control Over Financial Reporting. Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) for Synopsys.
(a)Evaluation of Disclosure Controls and Procedures. As of October 31, 2021, Synopsys carried out an evaluation under the supervision and with the participation of Synopsys’ management, including the Co-Chief Executive Officers and Chief Financial Officer, of the effectiveness of the design and operation of Synopsys’ disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). There are inherent limitations to the effectiveness of any system of disclosure controls and procedures. Accordingly, even effective disclosure controls and procedures can only provide reasonable, not absolute, assurance of achieving their control objectives. Our Co-Chief Executive Officers and Chief Financial Officer have concluded that, as of October 31, 2021, Synopsys’ disclosure controls and procedures were effective to provide reasonable assurance that information required to be disclosed in the reports Synopsys files and submits under the Exchange Act is recorded, processed, summarized and reported as and when required, and that such information is accumulated and communicated to Synopsys’ management, including the Co-Chief Executive Officers and Chief Financial Officer, to allow timely decisions regarding its required disclosure.
(b)Management’s Report on Internal Control Over Financial Reporting. Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) for Synopsys.
Under the supervision and with the participation of our management, including our Co-Chief Executive Officers and Chief Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting as of October 31, 2017.2021. In assessing the effectiveness of our internal control over financial reporting, our management used the framework established in Internal Control Integrated Framework (2013) issued by The Committee of Sponsoring Organizations of the Treadway Commission (COSO).

Our management has concluded that, as of October 31, 2017,2021, our internal control over financial reporting was effective based on these criteria. Our independent registered public accounting firm, KPMG LLP, has issued an auditors’ report on the effectiveness of our internal control over financial reporting, which is included herein.
(c)Changes in Internal Control Over Financial Reporting. There were no changes in Synopsys’ internal control over financial reporting during the fiscal quarter ended October 31, 2021 that have materially affected, or are reasonably likely to materially affect, Synopsys’ internal control over financial reporting.
(c)
Changes in Internal Control Over Financial Reporting. There were no changes in Synopsys’ internal control over financial reporting during the fiscal quarter ended October 31, 2017 that have materially affected, or are reasonably likely to materially affect, Synopsys’ internal control over financial reporting.
 Item 9B.     Other Information
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensation Arrangements of Certain Officers.

On December 9, 2021, Chi-Foon Chan notified the Company of his decision not to stand for re-election to Synopsys’ Board of Directors at the 2022 Annual Meeting of Stockholders (the 2022 Annual Meeting). Mr. Chan’s decision not to stand for re-election was not the result of any disagreement with Synopsys on any matter. Mr. Chan will continue to serve as a director until his term ends at the 2022 Annual Meeting, and the Company is thankful for his dedicated service.
 Item 9C.     Disclosure Regarding Foreign Jurisdictions that Prevent Inspections
None.

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Table of Contents
PART III


 Item 10.     Directors, Executive Officers and Corporate Governance
For information with respectrequired by this Item relating to our executive officers, see Information about our Executive Officers of the Registrant in Part I, Item 1 of this Annual Report.
All otherThe information required by this Item relating to our directors and nominees is incorporated herein by reference fromincluded under the heading “Proposal 1 — Election of Directors,” in our definitive Proxy Statement for the 20182022 Annual Meeting of Stockholders (the Proxy Statement) scheduled to be held on April 5, 2018, as providedand is incorporated herein by reference. The information required by this Item regarding our Audit Committee is included under the headings “Proposal 1: Election of Directors,” “Audit Committee Report,”Report” and “Corporate Governance,”Governance” in our Proxy Statement and “Sectionis incorporated herein by reference. We will provide disclosure of delinquent Section 16(a) Beneficial Ownership Reporting Compliance.”reports, if any, in our Proxy Statement, and such disclosure, if any, is incorporated herein by reference.
The information required by this Item relating to our code of ethics and its applicability to our Principal Executive Officers, Principal Financial Officer and Principal Accounting Officer is included under the subheading "Code of Ethics and Business Conduct" under the heading "Corporate Governance" in our Proxy Statement and is incorporated herein by reference.
 Item 11.     Executive Compensation
The information required by this Item relating to director and executive compensation is incorporated herein by reference from the Proxy Statement, as providedincluded under the headings “Compensation Discussion and Analysis” (and all subheadings thereunder), "Executive Compensation Tables" (and all subheadings thereunder), "Director Compensation," “Compensation Committee Interlocks and Insider Participation,” and “Compensation Committee Report.”Report” in our Proxy Statement and is incorporated herein by reference.
 Item 12.     Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
The information required by this Item relating to security ownership of certain beneficial owners and management is incorporated herein by reference from the Proxy Statement, as providedincluded under the headings “Equity Compensation Plan Information” and “Securityheading "Security Ownership of Certain Beneficial Owners and Management.”Management" in our Proxy Statement, and the information required by this Item relating to securities authorized for issuance under equity compensation plans is included under the heading “Equity Compensation Plan Information” in our Proxy Statement, and, in each case, is incorporated herein by reference.
 Item 13.     Certain Relationships and Related Transactions and Director Independence
The information required by this Item relating to the review, approval or ratification of transactions with related persons is included under the heading "Transactions with Related Persons” in our Proxy Statement, and the information required by this Item relating to director independence is included under the heading "Director Independence," and, in each case, is incorporated herein by reference from the Proxy Statement, as provided under the headings “Certain Relationships and Related Transactions” and “Corporate Governance” (under the subheading “Director Independence”).reference.
 Item 14.     Principal Accountant Fees and Services
The information required by this Item is incorporated herein by reference from the Proxy Statement, as providedincluded under the subheadings "Fees and Services of Independent Registered Public Accounting Firm" and "Audit Committee Pre-Approval Policies and Procedures" under the proposal titled “Ratification of Selection of Independent Registered Public Accounting Firm.”Firm” in our Proxy Statement and is incorporated herein by reference.




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Table of Contents
PART IV


 Item 15.     Exhibits and Financial Statement Schedules
(a)The following documents are filed as part of this Form 10-K:
(1)Financial Statements
(a)The following documents are filed as part of this Form 10-K:
(1)Financial Statements
The following documents are included as Part II, Item 8 of this Form 10-K:
Page
(2)Financial Statement Schedules
(2)Financial Statement Schedules
Schedules not listed above have been omitted because the information required to be set forth therein is not applicable or is shown in the financial statements or notes herein.
(3)Exhibits
(3)Exhibits
See Item 15(b) below.
(b)Exhibits
(b)Exhibits
EXHIBIT INDEX
Exhibit NumberExhibit DescriptionIncorporated By ReferenceFiled or
Furnished
  Herewith  
Form  File No.  Exhibit  Filing Date  
3.110-Q000-198073.19/15/2003
3.210-K000-198073.212/15/2020
4.1Specimen Common Stock CertificateS-133-451384.32/24/1992
(effective date)
4.210-K000-198074.212/15/2020
10.18-K000-1980710.11/25/2021
93

Exhibit NumberExhibit Description Incorporated By Reference 
Filed or
Furnished
  Herewith  
Form   File No.   Exhibit   Filing Date   
3.1 10-Q 000-19807 3.1 9/15/2003  
3.2 8-K 000-19807 3.2 5/23/2012  
4.1Specimen Common Stock Certificate S-1 33-45138 4.3 
2/24/1992
(effective date)
  
10.1 8-K 000-19807 10.1 11/30/2016  

Exhibit NumberExhibit DescriptionIncorporated By ReferenceFiled or
Furnished
  Herewith  
Form  File No.  Exhibit  Filing Date  
10.210-K000-1980710.1912/16/2011
10.2(i)†10-K000-1980710.10(i)12/20/2012
10.2(ii)10-Q000-1980710.10(ii)3/4/2013
10.2(iii)10-Q000-1980710.10(iii)5/22/2015
10.3*8-K000-1980710.44/12/2021
10.4*8-K000-1980710.54/6/2018
10.5*8-K000-1980710.64/6/2018
10.6*8-K000-1980710.74/15/2020
10.7*8-K000-1980710.84/10/2017
10.8*10-K000-1980710.912/14/2017
10.9*10-K000-1980710.1012/14/2017
10.10*10-Q000-1980710.56/10/2004
10.11*10-Q000-1980710.233/9/2009
10.128-K000-1980799.27/14/2011
10.13*Director’s and Officer’s Insurance and Company Reimbursement PolicyS-133-4513810.22/24/1992
(effective date)
10.14*8-K000-1980710.1612/21/2016
94
Exhibit NumberExhibit Description Incorporated By Reference 
Filed or
Furnished
  Herewith  
Form   File No.   Exhibit   Filing Date   
10.2 10-K 000-19807 10.19 12/16/2011  
10.2(i)† 10-K 000-19807 10.10(i) 12/20/2012  
10.2(ii) 10-Q 000-19807 10.10(ii) 3/4/2013  
10.2(iii) 10-Q 000-19807 10.10(iii) 5/22/2015  
10.3 10-Q 000-19807 10.28 5/14/1996  
10.3(i) 8-K 000-19807 10.42 9/12/2006  
10.3(ii) 8-K 000-19807 10.41 9/12/2006  
10.3(iii) 10-K 000-19807 10.8(iii) 12/20/2012  
10.3(iv) 10-K 000-19807 10.8(iv) 12/20/2012  
10.3(v)† 10-K 000-19807 10.8(v) 12/20/2012  
10.4* 8-K 000-19807 10.4 4/10/2017  
10.5* 10-Q 000-19807 10.5 2/17/2017  
10.6* 10-Q 000-19807 10.6 2/17/2017  
10.7* 8-K 000-19807 10.7 4/1/2016  
10.8* 8-K 000-19807 10.8 4/10/2017  
10.9*         X


Exhibit NumberExhibit Description Incorporated By Reference 
Filed or
Furnished
  Herewith  
Form   File No.   Exhibit   Filing Date   
10.10*         X
10.11* 10-Q 000-19807 10.5 6/10/2004  
10.12* 10-Q 000-19807 10.23 3/9/2009  
10.13 8-K 000-19807 99.2 7/14/2011  
10.14*Director’s and Officer’s Insurance and Company Reimbursement Policy S-1 33-45138 10.2 
2/24/1992
(effective date)
  
10.15* 8-K 000-19807 10.16 12/21/2016  
10.16* 8-K 000-19807 10.17 12/21/2016  
10.17* 8-K 000-19807 10.18 12/21/2016  
10.18* 8-K 000-19807 10.19 12/21/2016  
10.19* 10-K 000-19807 10.46 12/22/2008  
21.1         X
23.1         X
24.1         X
31.1         X
31.2         X
31.3         X

Exhibit NumberExhibit DescriptionIncorporated By Reference
Filed or

Furnished

  Herewith  
Form  File No.  Exhibit  Filing Date  
32.110.15*8-K000-1980710.1712/21/2016
10.16*8-K000-1980710.112/6/2021
10.17*8-K000-1980710.1912/21/2016
10.18*10-K000-1980710.4612/22/2008
10.19*8-K000-1980710.12/9/2021
10.20*10-Q000-1980710.25/21/2021
21.1X
23.1X
24.1X
31.1X
31.2X
31.3X
32.1X
101.INSInline XBRL Instance DocumentX
101.SCHInline XBRL Taxonomy Extension Schema DocumentX
95

101.CALExhibit NumberExhibit DescriptionIncorporated By ReferenceFiled or
Furnished
  Herewith  
Form  File No.  Exhibit  Filing Date  
101.CALInline XBRL Taxonomy Extension Calculation Linkbase DocumentX
101.DEFInline XBRL Taxonomy Extension Definition Linkbase DocumentX
101.LABInline XBRL Taxonomy Extension Label Linkbase DocumentX
101.PREInline XBRL Taxonomy Extension Presentation Linkbase DocumentX
104Cover Page Interactive Data File (embedded within the Inline XBRL document)


*    Indicates a management contract, compensatory plan or arrangement.
†    We have requested confidential treatment for certain portions of this document pursuant to an application for confidential treatment sent to the SEC. We omitted such portions from this filing and filed them separately with the SEC.



96

SIGNATURES
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
SYNOPSYS, INC.
SYNOPSYS, INC.
Date: December 13, 20172021By:/s/ Trac Pham
Trac Pham

Chief Financial Officer

(Principal Financial Officer)


97

POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Aart J. de Geus, Chi-Foon Chan and Trac Pham, and each of them, as his true and lawful attorneys-in-fact and agents, with full power of substitution and reconstitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments to this Annual Report on Form 10-K, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated:
NameTitleDate
NameTitleDate
/S/    AART J. DE GEUS
Co-Chief Executive Officer (Co-Principal Executive Officer) and Chairman of the Board of DirectorsDecember 13, 20172021
Aart J. de Geus
/S/    CHI-FOON CHAN
Co-Chief Executive Officer (Co-Principal Executive Officer), President and DirectorDecember 13, 20172021
Chi-Foon Chan
/S/    TRAC PHAM
Chief Financial Officer (Principal Financial Officer)December 13, 20172021
Trac Pham
/S/    SUDHINDRA KANKANWADI
Vice President, Corporate ControllerChief Accounting Officer (Principal Accounting Officer)December 13, 20172021
Sudhindra Kankanwadi
/S/     JANICE D. CHAFFIN
DirectorDecember 13, 20172021
Janice D. Chaffin
Janice D. Chaffin

/S/    BRUCE R. CHIZEN
Director
/S/    BRUCE R. CHIZEN
DirectorDecember 13, 20172021
Bruce R. Chizen
Bruce R. Chizen

/S/    MERCEDES JOHNSON
Director
/S/    DEBORAH A. COLEMAN
DirectorDecember 13, 20172021
Mercedes Johnson
Deborah A. Coleman

/S/    CHRYSOSTOMOS L. NIKIAS
Director
/S/    MERCEDES JOHNSON
DirectorDecember 13, 20172021
Chrysostomos L. Nikias
Mercedes Johnson

/s/    JEANNINE SARGENT
Director
/S/    CHRYSOSTOMOS L. NIKIAS
DirectorDecember 13, 20172021
Chrysostomos L. Nikias Jeannine Sargent
/S/    JOHN G. SCHWARZ
DirectorDecember 13, 20172021
John G. Schwarz
/S/    ROY VALLEE
DirectorDecember 13, 20172021
Roy Vallee
/S/    STEVEN C. WALSKE
DirectorDecember 13, 2017
Steven C. Walske


94
98