Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Net income	$ 28,768	$ 95,096	$ 50,337	$ 122,703
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(12,537)	2,890	(21,440)	(7,356)
Adjustments related to postretirement benefits	(112)	151	(173)	(29)
Change in unrealized gain/loss on investments	(162)	(8)	(510)	(14)
Reclassifications due to sale of PCB Test business	0	(2,515)	0	(2,515)
Other comprehensive income (loss), net of tax	(12,811)	518	(22,123)	(9,914)
Comprehensive income	$ 15,957	$ 95,614	$ 28,214	$ 112,789