Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 133,123	$ 116,232	$ 396,557	$ 334,453
Components of other comprehensive income (loss)
Cumulative translation adjustment	(9,022)	(13,335)	506	(29,827)
Pension and postretirement medical liability adjustment	1,100	1,340	3,427	3,602
Income taxes - pension and postretirement medical liability adjustment	(252)	(312)	(760)	(826)
Other comprehensive income (loss)	(8,174)	(12,307)	3,173	(27,051)
Comprehensive Income	$ 124,949	$ 103,925	$ 399,730	$ 307,402