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BASIS OF PRESENTATION | 3 Months Ended
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Mar. 25, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
BASIS OF PRESENTATION | BASIS OF PRESENTATION We prepared these consolidated financial statements in accordance with U.S. generally accepted accounting principles (GAAP) for interim financial information, the instructions to Form 10-Q and Article 10 of U.S. Securities and Exchange Commission (SEC) Regulation S-X. Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. In the opinion of management, these consolidated financial statements reflect all adjustments that are of a normal recurring nature necessary for a fair presentation of our results of operations, financial condition and cash flows for the interim periods presented. The preparation of these consolidated financial statements requires us to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. We base these estimates on historical experience and on various other assumptions that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying amounts of assets and liabilities that are not readily apparent from other sources. Our actual results may differ materially from these estimates. Significant estimates inherent in the preparation of our consolidated financial statements include, but are not limited to, accounting for sales and cost recognition, postretirement benefit plans, environmental receivables and liabilities, evaluation of goodwill and other assets for impairment, income taxes including deferred tax assets, fair value measurements and contingencies. The consolidated financial statements include the accounts of subsidiaries we control and variable interest entities if we are the primary beneficiary. We eliminate intercompany balances and transactions in consolidation. We close our books and records on the last Sunday of the calendar quarter, which was on March 25 for the first quarter of 2018 and March 26 for the first quarter of 2017, to align our financial closing with our business processes. The consolidated financial statements and tables of financial information included herein are labeled based on that convention. This practice only affects interim periods as our fiscal year ends on December 31. Effective January 1, 2018, we adopted Accounting Standards Update (ASU) 2014-09, Revenue from Contracts with Customers, as amended (Topic 606) (commonly referred to as ASC 606), which changed the way we recognize revenue for certain contracts and significantly expanded disclosures about revenue recognition. In addition, effective January 1, 2018, we adopted ASU 2017-07, Compensation-Retirement Benefits, which changed the statement of earnings presentation of certain components of FAS pension and other postretirement benefit plan expense. The amounts for all periods presented in this Form 10-Q have been adjusted to reflect the new methods of accounting. See “Note 12 – Recent Accounting Pronouncements” for more information regarding the adoption of these standards. Other than the changes in our accounting policies related to revenue recognition and the classification of certain components of FAS pension and other postretirement benefit plan expense, we followed the accounting policies disclosed in the consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2017 (2017 Form 10-K) filed with the SEC. The results of operations for the interim periods presented are not necessarily indicative of results to be expected for the full year or future periods. Unless otherwise noted, we present all per share amounts cited in these consolidated financial statements on a “per diluted share” basis. These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our 2017 Form 10-K.

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