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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) | 3 Months Ended
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Mar. 31, 2018
Accounting Policies [Abstract] |
Condensed Consolidated Financial Statements | Condensed Consolidated Financial Statements The Condensed Consolidated Balance Sheet as of March 31, 2018, the Condensed Consolidated Statements of Earnings and Comprehensive Income for the thirteen weeks ended March 31, 2018 and April 1, 2017, and the Condensed Consolidated Statements of Cash Flows and Shareholders' Equity for the thirteen week periods then ended have been prepared by the Company, without audit. In the opinion of management, all necessary adjustments (which include normal recurring adjustments) have been made to present fairly the financial statements as of March 31, 2018 and for all periods presented. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted. These Condensed Consolidated Financial Statements should be read in conjunction with the financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the fiscal year ended December 30, 2017. The accounting policies and methods of computation followed in these interim financial statements are the same as those followed in the financial statements for the year ended December 30, 2017 with the exception of the revenue recognition accounting policy which changed from adopting ASU 2014-09 and is discussed later within this footnote. The results of operations for the period ended March 31, 2018 are not necessarily indicative of the operating results for the full year.
Inventories | Inventories Approximately 37% and 37% of inventory is valued at the lower of cost, determined on the last-in, first-out (LIFO) method, or market as of March 31, 2018 and December 30, 2017. All other inventory is valued at the lower of cost, determined on the first-in, first-out (FIFO) method or market. Finished goods and manufactured goods inventories include the costs of acquired raw materials and related factory labor and overhead charges required to convert raw materials to manufactured and finished goods.
Income Taxes | Income Taxes Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries for the thirteen weeks ended March 31, 2018 and April 1, 2017, were as follows:
| Thirteen Weeks Ended
| 2018 |  | 2017
United States | $ | 41,765 |  |  | $ | 35,424 |
Foreign | 11,247 |  |  | 19,900 |
| $ | 53,012 |  |  | $ | 55,324 |
Pension Benefits | Pension Benefits The Company incurs expenses in connection with the Delta Pension Plan ("DPP"). The DPP was acquired as part of the Delta plc acquisition in fiscal 2010 and has no members that are active employees. In order to measure expense and the related benefit obligation, various assumptions are made including discount rates used to value the obligation, expected return on plan assets used to fund these expenses and estimated future inflation rates. These assumptions are based on historical experience as well as current facts and circumstances. An actuarial analysis is used to measure the expense and liability associated with pension benefits.
Stock Plans | Stock Plans The Company maintains stock‑based compensation plans approved by the shareholders, which provide that the Human Resource Committee of the Board of Directors may grant incentive stock options, nonqualified stock options, stock appreciation rights, non-vested stock awards and bonuses of common stock. At March 31, 2018, 550,606 shares of common stock remained available for issuance under the plans. Under the plans, the exercise price of each option equals the closing market price at the date of the grant. Options vest beginning on the first anniversary of the grant in equal amounts over three to six years or on the grant's fifth anniversary. Expiration of grants is from seven to ten years from the date of grant.
Fair Value | Fair Value The Company applies the provisions of Accounting Standards Codification 820, Fair Value Measurements (“ASC 820”) which defines fair value, establishes a framework for measuring fair value, and expands disclosures about fair value measurements. The provisions of ASC 820 apply to other accounting pronouncements that require or permit fair value measurements. As defined in ASC 820, fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 establishes a three‑level hierarchy for fair value measurements based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. Inputs refer broadly to the assumptions that market participants would use in pricing the asset or liability, including assumptions about risk. Financial assets and liabilities carried at fair value will be classified and disclosed in one of the following three categories: Level 1: Quoted market prices in active markets for identical assets or liabilities. Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data. Level 3: Unobservable inputs that are not corroborated by market data. The categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.
Comprehensive Income | Comprehensive Income Comprehensive income includes net earnings, currency translation adjustments, certain derivative-related activity and changes in net actuarial gains/losses from a pension plan. Results of operations for foreign subsidiaries are translated using the average exchange rates during the period. Assets and liabilities are translated at the exchange rates in effect on the balance sheet dates.
Subsequent Events |
Recently Issued Accounting Pronouncements | Recently Adopted Accounting Pronouncements In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-9, Revenue from Contracts with Customers (Topic 606), which supersedes the revenue recognition requirements in Accounting Standards Codification ("ASC") 605, Revenue Recognition. Effective December 31, 2017, the Company adopted Accounting Standards Update (ASU) 2014-09, Revenue from Contracts with Customers (Topic 606). The Company elected the modified retrospective approach for the adoption of the new revenue standard, resulting in a credit to retained earnings being recognized for $9,771. The Company calculated the cumulative effect on revenue of approximately $51,507 with $13,121 of pre-tax operating income; these were customer orders for the steel utility, concrete utility, and wireless communication structures product lines at various stages of production at December 30, 2017. In March 2017, the FASB issued ASU 2017-07, Presentation of Net Periodic Benefit Cost Related to Defined Benefit Plans, which amends the income statement presentation requirements for the components of net periodic benefit cost for an entity's defined benefit pension and post-retirement plans. The Company adopted this ASU in the first quarter of 2018, recognizing the DPP net periodic pension expense within Other income (expense). The Company also reclassified $154 of DPP net periodic pension expense for first quarter 2017 out of selling, general, and administrative expense and into Other (expense). In December 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash, which requires amounts generally described as restricted cash and restricted cash equivalents to be included within cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown in the statement of cash flows. The Company adopted the ASU in the first quarter of 2018, recasting the beginning-of-period and end-of-period total cash and cash equivalent amounts on the statement of cash flows to include the £10,000 restricted cash account for the pension plan at December 31, 2016, thus reducing cash flows from operating activities by $12,568 for the first quarter of 2017. The Company did not have any restricted cash at March 31, 2018 or December 30, 2017.

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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=68058157&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64809438&loc=d3e5614-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.3A-03) -URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355100-122828 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.3A-02) -URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355033-122828 + Details
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