Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 24, 2021	Sep. 30, 2022	Sep. 24, 2021
Income Statement [Abstract]
Net sales	$ 281,234	$ 260,746	$ 855,573	$ 734,519
Costs and expenses:
Cost of sales, exclusive of depreciation and amortization	167,435	151,281	520,162	432,297
Selling, general and administrative expenses	89,379	105,005	271,300	259,019
Depreciation and amortization	14,812	14,287	44,667	42,197
Total costs and expenses	271,626	270,573	836,129	733,513
Income (loss) from operations	9,608	(9,827)	19,444	1,006
Other expenses (income):
Interest expense	10,244	7,511	24,687	26,589
Other expense (income), net	620	6,931	137	6,422
Total other expenses	10,864	14,442	24,824	33,011
Loss before income taxes	(1,256)	(24,269)	(5,380)	(32,005)
Income tax benefit	(238)	(2,729)	(762)	(3,373)
Net loss	(1,018)	(21,540)	(4,618)	(28,632)
Net loss attributable to noncontrolling interest	(8)	(11)	(45)	(45)
Net loss attributable to Company	$ (1,010)	$ (21,529)	$ (4,573)	$ (28,587)
Net loss per share, basic (in dollars per share)	$ (0.01)	$ (0.31)	$ (0.06)	$ (0.46)
Net loss per share, diluted (in dollars per share)	$ (0.01)	$ (0.31)	$ (0.06)	$ (0.46)
Weighted-average shares outstanding - basic (in shares)	74,650	68,672	74,567	62,369
Weighted-average shares outstanding - diluted (in shares)	74,650	68,672	74,567	62,369