Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Oct. 03, 2020	Sep. 28, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 17,322	$ 15,106	$ 35,121	$ 40,408
Other comprehensive income before tax:
Change in fair value of derivatives	1,563	(1,136)	(2,120)	(2,083)
Reclassification to earnings	532	1,532	2,737	3,670
Other comprehensive income before tax	2,095	396	617	1,587
Income tax expense related to other comprehensive income	524	102	154	406
Other comprehensive income, net of tax	1,571	294	463	1,181
Comprehensive income	$ 18,893	$ 15,400	$ 35,584	$ 41,589