Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash, cash equivalents and restricted cash	$ 84,708	$ 86,012
Receivables, net	682,951	590,028
Contract assets	244,502	167,049
Inventories	48,052	43,750
Prepayments and other current assets	28,813	30,390
Total current assets	1,089,026	917,229
Noncurrent assets:
Property, plant and equipment, net of accumulated depreciation of $165,888 and $157,278, respectively	150,545	134,409
Goodwill	143,224	143,224
Operating lease right-of-use assets	73,606	67,045
Investments	20,375	21,286
Other	4,601	5,270
Total noncurrent assets	392,351	371,234
Total assets	1,481,377	1,288,463
Current liabilities:
Long-term debt - current portion	15,000	15,000
Contract liabilities, net	230,354	207,304
Accounts payable	199,091	138,097
Taxes payable	10,281	6,768
Accrued compensation	74,040	67,815
Current portion of operating lease liabilities	28,909	26,354
Accrued payroll-related liabilities	44,678	38,995
Other accrued liabilities	11,961	13,037
Total current liabilities	614,314	513,370
Noncurrent liabilities:
Long-term debt	273,599	280,648
Deferred income taxes	10,834	8,161
Operating lease liabilities	45,500	41,200
Other	22,721	22,472
Total noncurrent liabilities	352,654	352,481
Total liabilities	966,968	865,851
Commitments and contingencies
Common stockholders’ equity:
Common stock, 300,000,000 shares authorized, $0.01 par value, 51,006,575 and 50,980,924 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	510	510
Other paid-in capital	140,412	138,130
Retained earnings	373,487	283,972
Total stockholders’ equity	514,409	422,612
Total liabilities and stockholders’ equity	$ 1,481,377	$ 1,288,463