CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUE	$ 1,174,640	$ 885,216
COST OF SERVICES	969,235	732,072
Gross profit	205,405	153,144
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	135,032	117,776
GAIN ON SALE OF ASSETS	(512)	(323)
Operating income	70,885	35,691
OTHER INCOME (EXPENSE):
Interest income	1,397	3
Interest expense	(4,076)	(2,129)
Changes in the fair value of contingent earn-out obligations	(2,382)	4,088
Other	1	56
Other income (expense)	(5,060)	2,018
INCOME BEFORE INCOME TAXES	65,825	37,709
PROVISION (BENEFIT) FOR INCOME TAXES	8,609	(49,053)
NET INCOME	$ 57,216	$ 86,762
INCOME PER SHARE:
Basic	$ 1.60	$ 2.40
Diluted	$ 1.59	$ 2.40
SHARES USED IN COMPUTING INCOME PER SHARE:
Basic	35,812	36,076
Diluted	35,907	36,188