CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
REVENUE	$ 2,173,319	$ 1,810,290	$ 4,004,605	$ 3,347,306
COST OF SERVICES	1,663,422	1,446,694	3,091,292	2,686,347
Gross profit	509,897	363,596	913,313	660,959
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	210,466	179,537	405,340	342,260
GAIN ON SALE OF ASSETS	(442)	(611)	(998)	(1,431)
Operating income	299,873	184,670	508,971	320,130
OTHER INCOME (EXPENSE):
Interest income	2,819	1,264	7,086	2,867
Interest expense	(1,605)	(1,709)	(3,224)	(3,342)
Changes in the fair value of contingent earn-out obligations	(4,073)	(14,689)	(7,831)	(27,180)
Other	(530)	119	(506)	236
Other income (expense)	(3,389)	(15,015)	(4,475)	(27,419)
INCOME BEFORE INCOME TAXES	296,484	169,655	504,496	292,711
PROVISION FOR INCOME TAXES	65,636	35,646	104,359	62,383
NET INCOME	$ 230,848	$ 134,009	$ 400,137	$ 230,328
INCOME PER SHARE:
Basic	$ 6.54	$ 3.75	$ 11.3	$ 6.44
Diluted	$ 6.53	$ 3.74	$ 11.28	$ 6.43
SHARES USED IN COMPUTING INCOME PER SHARE:
Basic	35,307	35,746	35,415	35,742
Diluted	35,369	35,828	35,486	35,828