CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CONSOLIDATED STATEMENTS OF INCOME
Revenue	$ 4,420,599	$ 3,497,632	$ 3,491,497
Cost of revenue	3,963,714	3,080,972	3,121,283
Gross profit	456,885	416,660	370,214
Selling, general and administrative expenses	281,577	230,110	202,835
Transaction and related costs	20,054	16,399	3,430
Gain on sale and leaseback transaction	(40,084)
Operating income	195,338	170,151	163,949
Other income (expense):
Foreign exchange gain (loss), net	1,088	(95)	379
Other income, net	2,072	299	1,234
Interest expense, net	(39,212)	(18,498)	(19,923)
Income before provision for income taxes	159,286	151,857	145,639
Provision for income taxes	(26,265)	(36,118)	(40,656)
Net income	$ 133,021	$ 115,739	$ 104,983
Dividends per common share (in dollars per share)	$ 0.24	$ 0.24	$ 0.24
Earnings per share:
Basic (in dollars per share)	2.50	2.19	2.17
Diluted (in dollars per share)	$ 2.47	$ 2.17	$ 2.16
Weighted average common shares outstanding:
Basic (in shares)	53,200	52,674	48,303
Diluted (in shares)	53,759	53,161	48,633