Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 27, 2020	Mar. 29, 2019
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 72,818	$ 86,749
Components of other comprehensive income (loss)
Cumulative translation adjustment	(4,677)	1,169
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax	2,749	2,127
Pension and postretirement medical liability adjustment	(615)	(470)
Other comprehensive income	(2,543)	2,826
Comprehensive Income	$ 70,275	$ 89,575

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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