CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Income Statement [Abstract]
Revenue	$ 442,955	$ 436,112	$ 893,489	$ 853,272
Cost of revenue, excluding depreciation and amortization	297,912	289,523	603,620	575,000
Branch and regional administrative expenses	88,998	77,720	177,741	147,092
Corporate expenses	36,202	32,401	72,769	59,800
Goodwill impairment	470,207		470,207
Depreciation and amortization	6,038	5,170	11,857	10,018
Acquisition-related costs	(22)	1,004	69	2,772
Other operating expense (income)	1		(169)
Operating (loss) income	(456,381)	30,294	(442,605)	58,590
Interest income	143	61	205	138
Interest expense	(22,919)	(19,262)	(45,283)	(41,687)
Loss on debt extinguishment		(8,918)		(8,918)
Other income (expense)	4,926	(736)	41,383	(577)
(Loss) Income before income taxes	(474,231)	1,439	(446,300)	7,546
Income tax benefit (expense)	344	(179)	(2,253)	(488)
Net (loss) income	$ (473,887)	$ 1,260	$ (448,553)	$ 7,058
Net (loss) income per share:
Net (loss) income per share, basic	$ (2.56)	$ 0.01	$ (2.43)	$ 0.05
Weighted average shares of common stock outstanding, basic	184,953	171,149	184,940	156,636
Net (loss) income per share, diluted	$ (2.56)	$ 0.01	$ (2.43)	$ 0.04
Weighted average shares of common stock outstanding, diluted	184,953	177,683	184,940	161,975