Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 24,644	$ 36,989
Other comprehensive income (loss):
Pension and postemployment adjustment, net of tax	561	(49)
Foreign currency translation adjustments	(15,540)	8,122
Comprehensive income	$ 9,665	$ 45,062