CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net income	$ (26,243)	$ (21,390)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	13,320	12,475
Deferred income taxes	799	(2,304)
Loss from discontinued operations	67	58
Restructuring charges	116	453
Gains on dispositions of property and other assets	(5)	(58)
Share-based compensation expense	3,107	3,065
Other non-cash items, net	2,927	1,331
Change in operating assets and liabilities:
Receivables	(23,190)	(10,726)
Inventories	(411)	(868)
Current contract costs	(15,323)	(6,995)
Accounts payable	23,904	20,621
Restructuring liabilities	(184)	(513)
Accrued compensation	(10,994)	(6,485)
Contract liabilities	29,625	16,957
Income taxes payable	(7,154)	(5,735)
Other assets and liabilities, net	2,096	10,183
Net cash provided by (used in) operating activities	(7,543)	10,069
Cash flows from investing activities
Capital expenditures	(20,721)	(11,384)
Cash paid for acquisitions, net	0	(41)
Proceeds from dispositions of property and other assets	5	66
Net cash used in investing activities	(20,716)	(11,359)
Cash flows from financing activities
Proceeds from borrowings	154,243	1,819
Payments on debt and finance lease obligations	(127,964)	(5,749)
Dividends paid on preferred stock	0	(1,950)
Contributions from non-controlling interests	149	0
Payments of debt issuance costs	(51)	(200)
Payment of payroll taxes on stock-based compensation through shares withheld or repurchased	(996)	(412)
Net cash (used in) provided by financing activities	25,381	(6,492)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(950)	404
Net change in cash, cash equivalents, and restricted cash	(3,828)	(7,378)
Cash, cash equivalents, and restricted cash, beginning of year	59,029	64,564
Cash, cash equivalents, and restricted cash, end of period	$ 55,201	$ 57,186