CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Apr. 01, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 127,945	$ 174,763
Other comprehensive income, net of tax:
Foreign currency translation adjustments	331	6,915
Derivative financial instruments	(441)
Derivative financial instruments		765
Pension and postretirement benefit plans	7,743	85,765
Total other comprehensive income, net of tax	7,633	93,445
Comprehensive income	$ 135,578	$ 268,208

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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