Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 30,694	$ 12,908	$ 53,282	$ (4,315)
Other comprehensive income (loss)
Foreign currency translation adjustments, net of tax	2,431	3,562	(6,687)	(1,338)
Unrealized gain (loss) on interest rate swap, net of tax	537	227	2,242	(1,975)
Total other comprehensive income (loss)	2,968	3,789	(4,445)	(3,313)
Comprehensive income (loss)	$ 33,662	$ 16,697	$ 48,837	$ (7,628)