Segment Information - Summary of Segment Reconciliation (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Jul. 15, 2021	Dec. 31, 2022	Jul. 02, 2022	Dec. 31, 2022	Jan. 01, 2022
Segment Reconciliation:
Total segment gross margin				$ 553,227	$ 542,404
Branch and regional administrative expenses				357,230	297,381
Corporate expenses	$ 7,000			137,864	130,387
Goodwill impairment		$ 205,100	$ 470,200	675,346	117,702
Depreciation and amortization				21,313	20,550
Acquisition-related costs				99	12,832
Other operating expense (income)				3,651	(337)
Operating loss				(642,276)	(36,111)
Interest income				679	253
Interest expense				(107,720)	(68,930)
Loss on debt extinguishment	$ (400)				(13,702)
Other income				85,503	4,914
Loss before income taxes				$ (663,814)	$ (113,576)