CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 26, 2017	Mar. 27, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 186,369	$ 250,489
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	15,557	12,693
Derivative financial instruments	(9,052)	(8,352)
Marketable securities	(10)	(45)
Pension and postretirement benefit plans	7,256	7,571
Total other comprehensive income, net of tax	13,751	11,867
Comprehensive income	$ 200,120	$ 262,356

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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