Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Net income	$ 12,607	$ 13,539	$ 31,403	$ 29,506
Other comprehensive income:
Translation adjustments, net of tax	859	(93)	899	(7)
Change in actuarial valuation of defined benefit pension	(507)	0	(507)	0
Unrealized gain related to marketable securities, net of tax	0	0	0	42
Reclassification adjustment for gains related to marketable securities included in Other income (expense), net of tax	0	0	0	(53)
Comprehensive income	$ 12,959	$ 13,446	$ 31,795	$ 29,488