CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Income Statement [Abstract]
Revenue	$ 450,534	$ 417,160
Cost of revenue, excluding depreciation and amortization	305,708	285,477
Branch and regional administrative expenses	88,743	69,372
Corporate expenses	36,567	27,399
Depreciation and amortization	5,819	4,848
Acquisition-related costs	91	1,768
Other operating income	(170)
Operating income	13,776	28,296
Interest income	62	77
Interest expense	(22,364)	(22,425)
Other income	36,457	159
Income before income taxes	27,931	6,107
Income tax expense	(2,597)	(309)
Net income	$ 25,334	$ 5,798
Net income per share:
Net income per share, basic	$ 0.14	$ 0.04
Weighted average shares of common stock outstanding, basic	184,927	142,123
Net income per share, diluted	$ 0.14	$ 0.04
Weighted average shares of common stock outstanding, diluted	185,427	146,266