Components of Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Disclosure Other Comprehensive Income Additional Information [Abstract]
Net earnings	$ 120,585	$ 21,162	$ 209,848	$ 94,941
Currency Translation Adjustment	(505)	19,852	(11,119)	(29,064)
Change in unrecognized pension benefit costs, net of tax	1,152	(2,491)	(2,818)	12,317
Unrealized gain on interest rate swaps, net of tax	703	(2,661)	13,115	(27,880)
Comprehensive income	$ 121,935	$ 35,862	$ 209,026	$ 50,314