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RECEIVABLES (Detail) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Billed receivables:    
Trade and other receivables $ 414,195 $ 362,007
Less: Allowance for doubtful accounts (5,360) (5,320)
Unbilled receivables:    
Recoverable costs and estimated earnings not billed 291,485 291,758
Less: Progress payments applied (688) (1,297)
Net unbilled receivables 290,797 290,461
Receivables, net $ 699,632 $ 647,148