Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (2,275)	$ 5,996
Components of other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	581	(31)
Unrealized loss on available-for-sale securities	(136)	(59)
Amortization of defined benefit pension items:
Other comprehensive loss, net of tax	(717)	(28)
Comprehensive (loss) income	$ (2,992)	$ 5,968