Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 74,769	$ 18,398	$ 25,271	$ 16,260
Components of other comprehensive income:
Translation adjustment	6	909	4	134
Net change in derivatives	423	(2,626)	570	(938)
Net loss on long-term pension liability obligation	0	0	0	(49)
Provision for income taxes	63	141	16	0
Total other comprehensive income (loss)	492	(1,576)	590	(853)
Total comprehensive income	75,261	16,822	25,861	15,407
Comprehensive income attributable to noncontrolling interests	438	980	1,551	1,687
Comprehensive income attributable to stockholders	$ 75,699	$ 17,802	$ 27,412	$ 17,094