Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Document Period End Date			Jun. 30, 2024
Revenue	$ 668,808	$ 597,910	$ 1,267,900	$ 1,134,897
Cost of services and products	548,597	496,830	1,055,305	956,252
Gross margin	120,211	101,080	212,595	178,645
Selling, general and administrative expense	59,847	51,881	115,538	102,696
Income (loss) from operations	60,364	49,199	97,057	75,949
Interest income	2,402	4,154	5,442	8,620
Interest expense	(9,516)	(9,517)	(18,720)	(18,800)
Equity in income (losses) of unconsolidated affiliates	295	479	464	1,118
Other income (expense), net	1,759	(5,846)	3,239	(5,768)
Income (loss) before income taxes	55,304	38,469	87,482	61,119
Provision (benefit) for income taxes	20,307	19,467	37,350	38,057
Net Income (Loss)	$ 34,997	$ 19,002	$ 50,132	$ 23,062
Weighted-average shares outstanding
Basic (in shares)	101,441	100,776	101,233	100,610
Diluted (in shares)	102,472	102,004	102,361	102,017
Earnings (loss) per share
Basic (in dollars per share)	$ 0.34	$ 0.19	$ 0.50	$ 0.23
Diluted (in dollars per share)	$ 0.34	$ 0.19	$ 0.49	$ 0.23