CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Revenue	$ 1,022,948	$ 881,610	$ 1,807,333	$ 1,699,939
Cost of revenue	930,839	768,584	1,658,739	1,506,732
Gross profit	92,109	113,026	148,594	193,207
Selling, general and administrative expenses	59,730	57,747	115,184	111,179
Transaction and related costs	5,199	480	5,522	14,376
Gain on sale and leaseback transaction	40,084		40,084
Operating income	67,264	54,799	67,972	67,652
Other income (expense):
Foreign exchange gain (loss), net	560	(466)	444	(443)
Other income, net	155	379	146	374
Interest expense, net	(4,705)	(4,820)	(7,581)	(9,456)
Income before provision for income taxes	63,274	49,892	60,981	58,127
Provision for income taxes	(13,120)	(13,597)	(12,501)	(15,984)
Net income	$ 50,154	$ 36,295	$ 48,480	$ 42,143
Dividends per common share (in dollars per share)	$ 0.06	$ 0.06	$ 0.12	$ 0.12
Earnings per share:
Basic (in dollars per share)	0.94	0.68	0.91	0.82
Diluted (in dollars per share)	$ 0.93	$ 0.67	$ 0.90	$ 0.81
Weighted average common shares outstanding:
Basic (in shares)	53,263	53,729	53,251	51,634
Diluted (in shares)	53,852	54,285	53,815	52,137