Annual report pursuant to Section 13 and 15(d)

Detail of Certain Balance Sheet Accounts - Contracts in Progress (Detail)

v3.3.1.900
Detail of Certain Balance Sheet Accounts - Contracts in Progress (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract]    
Costs incurred on contracts in progress $ 5,725,078 $ 6,603,351
Estimated earnings, net of estimated losses 756,974 1,111,657
Cost and estimated earnings, total 6,482,052 7,715,008
Less - Billings to date (6,563,537) (7,675,674)
Cost and estimated earnings, Net (81,485) 39,334
Costs and estimated earnings in excess of billings on uncompleted contracts 317,745 290,447
Less - Billings in excess of costs and estimated earnings on uncompleted contracts (399,230) (251,113)
Cost and estimated earnings, Net $ (81,485) $ 39,334