CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Revenue	$ 465,405	$ 516,998	$ 1,429,178	$ 1,523,463
Direct costs	290,545	325,047	891,512	964,911
Operating costs and expenses:
Indirect and selling expenses	122,261	132,816	377,169	389,001
Depreciation and amortization	14,168	13,111	43,665	40,176
Total operating costs and expenses	136,429	145,927	420,834	429,177
Operating income	38,431	46,024	116,832	129,375
Interest, net	(7,861)	(7,195)	(23,620)	(23,136)
Other income (expense)	176	(899)	(2,515)	767
Income before income taxes	30,746	37,930	90,697	107,006
Provision for income taxes	6,980	5,251	16,419	21,399
Net income	$ 23,766	$ 32,679	$ 74,278	$ 85,607
Earnings per Share:
Basic	$ 1.29	$ 1.74	$ 4.03	$ 4.57
Diluted	$ 1.28	$ 1.73	$ 4.01	$ 4.53
Weighted-average Shares:
Basic	18,432	18,760	18,447	18,752
Diluted	18,526	18,910	18,542	18,915
Cash dividends declared per common share	$ 0.14	$ 0.14	$ 0.42	$ 0.42
Other comprehensive (loss) income, net of tax	$ (1,733)	$ (951)	$ 1,712	$ (610)
Comprehensive income, net of tax	$ 22,033	$ 31,728	$ 75,990	$ 84,997