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REVENUE RECOGNITION AND CONTRACTS - Contract Balances (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Contract assets - included in contracts in progress:
Contract assets - included in contracts in progress	$ 65,646	$ 87,993	$ 82,403	$ 50,306
Contract assets - included in contracts in progress, change	$ (16,757)	$ 37,687
Contract assets - included in contracts in progress, change	(20.00%)	75.00%
Contract liabilities - included in advance billings on contracts:
Contract liabilities - included in advance billings on contracts	$ 53,636	$ 62,977	58,478	59,117
Contract liabilities - included in advance billings on contracts, change	$ (4,842)	$ 3,860
Contract liabilities - included in advance billings on contracts, change	(8.00%)	7.00%
Accrued contract losses	$ (17)	$ (28)	217	46
Accrued contract losses, change	$ (234)	$ (74)
Accrued contract losses, percent change	(108.00%)	(161.00%)
Accounts receivable net current	$ 128,255		112,677	101,400
Billings to customers less revenues recognized
Contract liabilities - included in advance billings on contracts:
Contract liabilities - included in advance billings on contracts	53,636	$ 56,509	57,893	54,051
Contract liabilities - included in advance billings on contracts, change	$ (4,257)	$ 2,458
Contract liabilities - included in advance billings on contracts, change	(7.00%)	5.00%
Costs of revenue recognized less cost incurred
Contract liabilities - included in advance billings on contracts:
Contract liabilities - included in advance billings on contracts	$ 0	$ 6,468	585	5,066
Contract liabilities - included in advance billings on contracts, change	$ (585)	$ 1,402
Contract liabilities - included in advance billings on contracts, change	(100.00%)	28.00%
Costs incurred less costs of revenue recognized
Contract assets - included in contracts in progress:
Contract assets - included in contracts in progress	$ 25,734	$ 27,993	31,691	12,100
Contract assets - included in contracts in progress, change	$ (5,957)	$ 15,893
Contract assets - included in contracts in progress, change	(19.00%)	131.00%
Revenues recognized less billings to customers
Contract assets - included in contracts in progress:
Contract assets - included in contracts in progress	$ 39,912	$ 60,000	$ 50,712	$ 38,206
Contract assets - included in contracts in progress, change	$ (10,800)	$ 21,794
Contract assets - included in contracts in progress, change	(21.00%)	57.00%

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