CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 01, 2018	Jun. 25, 2017	Jul. 01, 2018	Jun. 25, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 242,338	$ 258,867	$ 417,101	$ 445,236
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(26,482)	9,637	(19,567)	25,194
Derivative financial instruments	23,920	(10,412)	24,685	(19,464)
Marketable securities	0	1,204	0	1,194
Pension and postretirement benefit plans	12,402	7,256	98,167	14,512
Total other comprehensive income, net of tax	9,840	7,685	103,285	21,436
Comprehensive income	$ 252,178	$ 266,552	$ 520,386	$ 466,672

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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