Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Net income	$ 21,569	$ 27,607
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(8,903)	(10,246)
Adjustments related to postretirement benefits	(61)	(180)
Change in unrealized gain/loss on investments	(348)	(6)
Other comprehensive loss, net of tax	(9,312)	(10,432)
Comprehensive income	$ 12,257	$ 17,175