XML 22 R37.htm IDEA: XBRL DOCUMENT v3.3.0.814
RECEIVABLES (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Billed receivables:    
Trade and other receivables $ 371,949 $ 363,241
Less: Allowance for doubtful accounts (6,179) (5,619)
Net billed receivables 365,770 357,622
Unbilled receivables:    
Recoverable costs and estimated earnings not billed 157,226 150,526
Less: Progress payments applied (12,061) (12,668)
Net unbilled receivables 145,165 137,858
Receivables, net $ 510,935 $ 495,480