Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Net income (loss)	$ 47,392	$ 43,493	$ (26,322)
Other comprehensive income (loss):
Translation adjustment, net of tax	1,533	341	(1,271)
Change in actuarial valuation of defined benefit pension	(678)	(602)	369
Unrealized gain related to marketable securities, net of tax	0	42	41
Reclassification adjustment for gains related to marketable securities included in Other expense, net of tax	0	(53)	(18)
Comprehensive income (loss)	$ 48,247	$ 43,221	$ (27,201)