CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 57,713	$ 24,644
Other comprehensive income (loss):
Pension and postemployment adjustment, net of tax	454	561
Foreign currency translation adjustments	(5,325)	(15,540)
Comprehensive income	$ 52,842	$ 9,665