CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jul. 03, 2022	Jul. 02, 2023	Jul. 03, 2022
Income Statement [Abstract]
Net revenues	$ 208,809	$ 191,376	$ 411,906	$ 377,031
Cost of revenues	140,224	133,171	269,255	263,543
Gross profit	68,585	58,205	142,651	113,488
Selling, general and administrative expenses	53,846	52,057	108,511	110,127
Total special and restructuring charges (recoveries), net	5,195	(5,730)	6,680	3,272
Operating income	9,544	11,878	27,460	89
Other expense (income):
Interest expense, net	14,957	10,203	29,485	19,659
Other (income), net	(1,130)	(1,638)	(916)	(2,924)
Total other expense, net	13,827	8,565	28,569	16,735
(Loss) income before income taxes	(4,283)	3,313	(1,109)	(16,646)
Provision for (benefit from) income taxes	4,288	(647)	7,869	875
Net (Loss) income	$ (8,571)	$ 3,960	$ (8,978)	$ (17,521)
Basic (loss) income per common share:
Net loss per share - basic (in USD per share)	$ (0.42)	$ 0.19	$ (0.44)	$ (0.86)
Diluted (loss) income per common share:
Net loss per share - diluted (in USD per share)	$ (0.42)	$ 0.19	$ (0.44)	$ (0.86)
Weighted-average common shares
Weighted-average common shares - basic (in shares)	20,392	20,361	20,380	20,336
Weighted-average common shares - diluted (in shares)	20,392	20,428	20,380	20,336