Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Net income	$ 79,303	$ 40,767	$ 208,345	$ 197,422
Other comprehensive loss, net of tax
Foreign currency translation adjustments	4,765	(6,005)	(6,772)	(10,504)
Pension liability adjustments	9	17	28	27
Other comprehensive income (loss)	4,774	(5,988)	(6,744)	(10,477)
Comprehensive income	$ 84,077	$ 34,779	$ 201,601	$ 186,945