Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 25, 2020	Sep. 27, 2019	Sep. 25, 2020	Sep. 27, 2019
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 114,115	$ 84,132	$ 215,765	$ 259,018
Components of other comprehensive income (loss)
Cumulative translation adjustment	30,966	(6,396)	33,045	(3,995)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax	2,313	2,268	7,508	6,305
Pension and postretirement medical liability adjustment	(512)	(505)	(1,681)	(1,398)
Other comprehensive income (loss)	32,767	(4,633)	38,872	912
Comprehensive Income	$ 146,882	$ 79,499	$ 254,637	$ 259,930

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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