CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - 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]
Revenue	$ 512,029	$ 500,085	$ 1,006,465	$ 983,367
Direct costs:
Direct costs	329,331	325,404	639,864	637,969
Operating costs and expenses:
Indirect and selling expenses	127,091	126,522	256,185	250,255
Depreciation and amortization	4,909	6,826	10,483	13,135
Amortization of intangible assets	8,291	9,286	16,582	18,510
Total operating costs and expenses	140,291	142,634	283,250	281,900
Operating income	42,407	32,047	83,351	63,498
Interest, net	(7,703)	(10,132)	(15,941)	(19,589)
Other income (expense)	36	(677)	1,666	(1,235)
Income before income taxes	34,740	21,238	69,076	42,674
Provision for income taxes	9,129	926	16,148	5,964
Net income	$ 25,611	$ 20,312	$ 52,928	$ 36,710
Earnings per Share:
Basic	$ 1.37	$ 1.08	$ 2.82	$ 1.95
Diluted	$ 1.36	$ 1.07	$ 2.8	$ 1.94
Weighted-average Shares:
Basic	18,738	18,791	18,748	18,785
Diluted	18,861	18,919	18,912	18,942
Cash dividends declared per common share	$ 0.14	$ 0.14	$ 0.28	$ 0.28
Other comprehensive (loss) income, net of tax	$ (343)	$ 3,151	$ 341	$ 1,817
Comprehensive income, net of tax	$ 25,268	$ 23,463	$ 53,269	$ 38,527