CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 25, 2017	Jun. 26, 2016	Jun. 25, 2017	Jun. 26, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 258,867	$ 280,431	$ 445,236	$ 530,920
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	9,637	2,628	25,194	15,321
Derivative financial instruments	(10,412)	3,009	(19,464)	(5,343)
Marketable securities	1,204	(32)	1,194	(77)
Pension and postretirement benefit plans	7,256	7,572	14,512	15,143
Total other comprehensive income, net of tax	7,685	13,177	21,436	25,044
Comprehensive income	$ 266,552	$ 293,608	$ 466,672	$ 555,964

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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