Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash, cash equivalents and restricted cash	$ 73,981	$ 86,012
Receivables, net	592,809	590,028
Contract assets	221,910	167,049
Inventories	47,413	43,750
Prepayments and other current assets	34,854	30,390
Total current assets	970,967	917,229
Noncurrent assets:
Property, plant and equipment, net of accumulated depreciation of $161,545 and $157,278, respectively	145,801	134,409
Goodwill	143,224	143,224
Other intangible assets, net of accumulated amortization of $6,990 and $10,334, respectively	0	116
Operating lease right-of-use assets	67,742	67,045
Investments	23,504	21,286
Other	4,609	5,154
Total noncurrent assets	384,880	371,234
Total assets	1,355,847	1,288,463
Current liabilities:
Long-term debt - current portion	15,000	15,000
Contract liabilities, net	186,571	207,304
Accounts payable	182,335	138,097
Taxes payable	24,508	6,768
Accrued compensation	52,864	67,815
Current portion of operating lease liabilities	27,762	26,354
Accrued payroll-related liabilities	43,544	38,995
Other accrued liabilities	13,355	13,037
Total current liabilities	545,939	513,370
Noncurrent liabilities:
Long-term debt	277,123	280,648
Deferred income taxes	9,209	8,161
Operating lease liabilities	40,473	41,200
Other	22,904	22,472
Total noncurrent liabilities	349,709	352,481
Total liabilities	895,648	865,851
Commitments and contingencies
Common stockholders’ equity:
Common stock, 300,000,000 shares authorized, $0.01 par value, 50,999,228 and 50,980,924 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	510	510
Other paid-in capital	139,045	138,130
Retained earnings	320,644	283,972
Total stockholders’ equity	460,199	422,612
Total liabilities and stockholders’ equity	$ 1,355,847	$ 1,288,463