Components of Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Disclosure Other Comprehensive Income Additional Information [Abstract]
Net earnings	$ 89,263	$ 73,779
Currency Translation Adjustment	(10,614)	(48,916)
Change in unrecognized pension benefit costs, net of tax	(3,970)	14,808
Unrealized gain on interest rate swaps, net of tax	12,412	(25,219)
Comprehensive income	$ 87,091	$ 14,452