Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 132,978	$ 134,268	$ 255,177	$ 263,434
Components of other comprehensive income (loss)
Cumulative translation adjustment	(811)	4,553	(19,517)	9,528
Pension and postretirement medical liability adjustment	1,304	1,195	2,222	2,327
Income taxes - pension and postretirement medical liability adjustment	(352)	(264)	(589)	(508)
Other comprehensive income (loss)	141	5,484	(17,884)	11,347
Comprehensive Income	$ 133,119	$ 139,752	$ 237,293	$ 274,781