We operate in fivefour reportable segments: Chicken, Beef, Pork, Chicken and Prepared FoodsFoods. Other primarily includes our foreign chicken production operations in China and International. During the second quarter of fiscal 2014, we

Demand for beef, chicken beef, and certain prepared foods products, such as hot dogs and smoked sausage, generally increases during the spring and summer months and generally decreases during the winter months. Pork and certain other prepared foods products, such as prepared meals, meat dishes, appetizers, frozen pies and breakfast sausage, generally experience increased demand during the winter months, primarily due to the holiday season, while demand generally decreases during the spring and summer months.

Our food products compete with those of other food producers and processors and certain prepared food manufacturers. Additionally, our food products compete in markets around the world.

We sold products in approximately 130117 countries in fiscal 2014.2017. Major sales markets include Brazil, Canada, Central America, China, the European Union, Japan, Mexico, the Middle East, South Korea Taiwan, and Vietnam.Taiwan.

We conduct continuous research and development activities to improve product development, to automate manual processes in our processing plants and growout operations, and to improve chicken breeding stock. OurWith regards to our food products we have two research and development locations, our Discovery Center includes 19in Springdale, Arkansas, and another center located in Downers Grove, Illinois. The centers include more than 80,000 square feet of United States Department of Agriculture ("USDA") pilot plant space, two consumer sensory and focus group areas, a packaging lab and 25 research kitchens and a USDA-inspected pilot plant.kitchens. The Discovery Center enablescenters enable us to bring new market-leading retail and foodservice products to the customer quickly and efficiently. We also lease an approximately 73,000 square foot research and development facility outside Chicago, Illinois assumed in our Hillshire Brands acquisition. Research and development costs totaled $52$113 million, $50$96 million, and $43$75 million in fiscal 2014, 20132017, 2016 and 2012,2015, respectively.

Our facilities for processing chicken, beef, pork, chicken, turkey and prepared foods, milling feed and housing live chickens and swine are subject to a variety of international, federal, state and local environmental laws and regulations, which include provisions relating to the discharge of materials into the environment and generally provide for protection of the environment. We believe we are in substantial compliance with such applicable laws and regulations and are not aware of any violations of such laws and regulations likely to result in material penalties or material increases in compliance costs. The cost of compliance with such laws and regulations has not had a material adverse effect on our capital expenditures, earnings or competitive position, and except as described below, is not anticipated to have a material adverse effect in the future.

Congress, and the United States Environmental Protection Agency are consideringand some states continue to consider various options to control greenhouse gas emissions. It is unclear at this time when orwhat options, if such optionsany, will be finalized, or whatand whether such options would have a direct impact on the final form may be.Company. Due to thecontinuing uncertainty surrounding this issue, it is premature to speculate on the specific nature of impacts that imposition of greenhouse gas emission controls would have on us and whether such impacts would have a material adverse effect.

Our agreements with customers are generally short-term, primarily due to the nature of our products, industry practices and fluctuations in supply, demand and price for such products. In certain instances where we are selling further processed products to large customers, we may enter into written agreements whereby we will act as the exclusive or preferred supplier to the customer, with pricing terms that are either fixed or variable.

We maintain an internet website for investors at http://ir.tyson.com. On this website, we make available, free of charge, annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, XBRL (eXtensible Business Reporting Language) reports, and all amendments to any of those reports, as soon as reasonably practicable after we electronically file such reports with, or furnish such reports to, the Securities and Exchange Commission. Also available on the website for investors are the Corporate Governance Principles, Audit Committee charter, Compensation and Leadership Development Committee charter, Governance and Nominating Committee charter, Strategy and Acquisitions Committee charter, Code of Conduct and Whistleblower Policy. Our corporate governance documents are available in print, free of charge to any shareholder who requests them.

Our results of operations and financial condition, as well as the selling prices for our products, are dependent upon the cost and supply of commodities and raw materials such as beef, pork, beef, poultry, corn, soybean, packaging materials and energy and, to a lesser extent, cheese, fruit, seasoning blends, flour, corn syrup, corn oils, butter and sugar. Corn, soybean meal and other feed ingredients, for instance, represented roughly 68%55% of our cost of growing a live chicken in fiscal 2014.2017. Production and pricing of these commodities are determined by constantly changing market forces of supply and demand over which we have limited or no control. Such factors include, among other things, weather patterns throughout the world, outbreaks of disease, the global level of supply inventories and demand for grains and other feed ingredients, as well as agricultural and energy policies of domestic and foreign governments.

DemandSupply of and demand for our products can be adversely impacted by outbreaks of livestock diseases, which can have a significant impact on our financial results. Efforts are taken to control disease risks by adherence to good production practices and extensive precautionary measures designed to ensure the health of livestock. However, outbreaks of disease and other events, which may be beyond our control, either in our own livestock or cattle and hogslivestock owned by independent producers who sell livestock to us, could significantly affect demand for our products, consumer perceptions of certain protein products, the availability of livestock for purchase by us and our ability to conduct our operations. Moreover, the outbreak of livestock diseases, particularly in our Chicken segment, could have a significant effect on the livestock we own by requiring us to, among other things, destroy any affected livestock. Furthermore, an outbreak of disease could result in governmental restrictions on the import and export of our products to or from our suppliers, facilities or customers. This could also result in negative publicity that may have an adverse effect on our ability to market our products successfully and on our financial results.

We have approximately 124,000122,000 employees, approximately 42,00035,000 of whom are covered by collective bargaining agreements or are members of labor unions. Our operations depend on the availability and relative costs of labor and maintaining good relations with employees and the labor unions. If we fail to maintain good relations with our employees or with the labor unions, we may experience labor strikes or work stoppages, which could adversely affect our financial results.

We contract primarily with independent contract growers to raise the live chickens and turkeys processed in our poultry operations. A majority of our cattle and hogs are purchased from independent producers who sell livestock to us under marketing contracts or on the open market. If we do not attract and maintain contracts with growers or maintain marketing and purchasing relationships with independent producers, our production operations could be negatively affected.

Our products may be subject to contamination by disease-producing organisms or pathogens, such as Listeria monocytogenes, Salmonella and E. coli. These organisms and pathogens are found generally in the environment; therefore,environment and there is a risk that one or more, as a result of food processing, could be present in our products. These organisms and pathogens also can be introduced to our products as a result of improper handling at the further processing,further-processing, foodservice or consumer level. These risks may be controlled, but may not be eliminated, by adherence to good manufacturing practices and finished product testing. We have little, if any, control over handling procedures once our products have been shipped for distribution. Even an inadvertent shipment of contaminated products may be a violation of law and may lead to increased risk of exposure to product liability claims, increased scrutiny and penalties, including injunctive relief and plant closings, by federal and state regulatory agencies, and adverse publicity, which could exacerbate the associated negative consumer reaction. Any of these occurrences may have an adverse effect on our financial results.

The food industry in general is subject to changing consumer trends, demands and preferences. Trends within the food industry change often, and failure to identify and react to changes in these trends could lead to, among other things, reduced demand and price reductions for our brands and products. We strive to respond to consumer preferences and social expectations, but we may not be successful in our efforts.

Our indebtedness, including borrowings under our revolving credit facility and commercial paper program, may increase from time to time for various reasons, including fluctuations in operating results, working capital needs, capital expenditures and possible acquisitions, joint ventures or other significant initiatives. Our consolidated indebtedness level could adversely affect our business because:

Goodwill and indefinite life intangible assets are initially recorded at fair value and not amortized, but are reviewed for impairment at least annually or more frequently if impairment indicators arise. In assessing the carrying value of goodwill and indefinite life intangible assets, we make estimates and assumptions about sales, operating margins, growth rates, royalty rates, EBITDA multiples, and discount rates based on budgets, business plans, economic projections, anticipated future cash flows and marketplace data. There are inherent uncertainties related to these factors and management’s judgment in applying these factors. Goodwill valuations have been calculated principally using an income approach. The income approach is based on the present value of future cash flows of each reporting unit and are believed to reflect market participant views which would exist in an exit transaction. Indefinite life intangible asset valuations have been calculated principally using relief-from-royalty and excess earnings approaches and are believed to reflect market participant views which would exist in an exit transaction. Under these valuation approaches, we are required to make various judgmental assumptions about appropriate discount rates. Disruptions in global credit and other financial markets and deterioration of economic conditions, could, among other things, cause us to increase the discount rate used in the valuations. We could be required to evaluate the recoverability of goodwill and indefinite life intangible assets prior to the annual assessment if we experience disruptions to the business, unexpected significant declines in operating results, divestiture of a significant component of our business or sustained market capitalization declines. These types of events and the resulting analyses could result in impairment charges in the future, which could be substantial. As of September 27, 2014,30, 2017, we had $10.8$13.4 billion of goodwill and indefinite life intangible assets, which represented approximately 45%48% of total assets.

Our operations are subject to extensive federal, state and foreign laws and regulations by authorities that oversee food safety standards and processing, packaging, storage, distribution, advertising, labeling and export of our products. See “Environmental Regulation and Food Safety” in Item 1 of this Annual Report on Form 10-K. Changes in laws or regulations that impose additional regulatory requirements on us could increase our cost of doing business or restrict our actions, causing our results of operations to be adversely affected. For example, increased governmental interest in advertising practices may result in regulations that could require us to change or restrict our advertising practices.

Increased government regulations to limit carbon dioxide and other greenhouse gas emissions as a result of concern over climate change may result in increased compliance costs, capital expenditures and other financial obligations for us. We use natural gas, diesel fuel and electricity in the manufacturing and distribution of our products. Legislation or regulation affecting these inputs could materially affect our profitability. In addition, climate change could affect our ability to procure needed commodities at costs and in quantities we currently experience and may require us to make additional unplanned capital expenditures.

We operate in a highly regulatedhighly-regulated environment with constantly evolving legal and regulatory frameworks. Consequently, we are subject to heightened risk of legal claims or other regulatory enforcement actions. Although we have implemented policies and procedures designed to ensure compliance with existing laws and regulations, there can be no assurance that our employees, contractors, or agents will not violate our policies and procedures. Moreover, a failure to maintain effective control processes could lead to violations, unintentional or otherwise, of laws and regulations. Legal claims or regulatory enforcement actions arising out of our failure or alleged failure to comply with applicable laws and regulations, including those contained in Item 3, Legal Proceedings and Part II, Item 8, Notes to Consolidated Financial Statements, Note 20: Commitments and Contingencies in this Annual Report on Form 10-K, could subject us to civil and criminal penalties, including debarment from governmental contracts that could materially and adversely affect our product sales, reputation, financial condition and results of operations. Loss of or failure to obtain necessary permits and registrations could delay or prevent us from meeting current product demand, introducing new products, building new facilities or acquiring new businesses and could adversely affect operating results.

Our past and present business operations and ownership and operation of real property are subject to stringent federal, state, and local environmental laws and regulations pertaining to the discharge of materials into the environment, and the handling and disposition of wastes (including solid and hazardous wastes) or otherwise relating to protection of the environment. Compliance with these laws and regulations, and the ability to comply with any modifications to these laws and regulations, is material to our business. New matters or sites may be identified in the future that will require additional investigation, assessment, or expenditures. In addition, some of our facilities have been in operation for many years and, over time, we and other prior operators of these facilities may have generated and disposed of wastes that now may be considered hazardous. Future discovery of contamination of property underlying or in the vicinity of our present or former properties or manufacturing facilities and/or waste disposal sites could require us to incur additional expenses. The occurrence of any of these events, the implementation of new laws and regulations, or stricter interpretation of existing laws or regulations, could adversely affect our financial results.

We periodically evaluate potential acquisitions, joint ventures and other initiatives, and may seek to expand our business through the acquisition of companies, processing plants, technologies, products and services. Acquisitions and joint ventures involve financial and operational risks and uncertainties, including:

Our business is exposed to fluctuating market conditions. We use derivative financial instruments to reduce our exposure to various market risks including changes in commodity prices, interest rates and foreign exchange rates. We hold certain positions, primarily in grain and livestock futures, that do not qualify as hedges for financial reporting purposes. These positions are marked to fair value, and the unrealized gains and losses are reported in earnings at each reporting date. Therefore, losses on these contracts will adversely affect our reported operating results. While these contracts reduce our exposure to changes in prices for commodity products, the use of such instruments may ultimately limit our ability to benefit from favorable commodity prices.

Our business may be adversely affected by changes in economic conditions, including inflation, interest rates, access to capital markets, consumer spending rates, energy availability and costs (including fuel surcharges) and the effects of governmental initiatives to manage economic conditions. Any such changes could adversely affect the demand for our products, or the cost and availability of our needed raw materials, cooking ingredients and packaging materials, thereby negatively affecting our financial results.

We are one of the world'sworld’s largest producersfood companies and a recognized leader in protein. Founded in 1935 by John W. Tyson and grown under three generations of chicken, beef, porkfamily leadership, the Company has a broad portfolio of products and prepared foods that include leading brands such aslike Tyson®, Jimmy Dean®, Hillshire Farm®, Sara Lee® frozen bakery, Ball Park®, Wright®, Aidells®, ibp® and State Fair®. Some of the key factors influencing our business are customer demand for our products; the ability to maintain and grow relationships with customers and introduce new and innovative products to the marketplace; accessibility of international markets; market prices for our products; the cost and availability of live cattle and hogs, raw materials and feed ingredients; and operating efficiencies of our facilities.