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RECEIVABLES (Detail) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Billed receivables:    
Trade and other receivables $ 434,557 $ 412,682
Unbilled receivables:    
Recoverable costs and estimated earnings not billed 322,025 316,682
Less: Progress payments applied (435) (67)
Net unbilled receivables 321,590 316,615
Less: Allowance for doubtful accounts (4,615) (4,694)
Receivables, net $ 751,532 $ 724,603