Annual report pursuant to Section 13 and 15(d)

Detail of Certain Balance Sheet Accounts (Details 1)

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Detail of Certain Balance Sheet Accounts (Details 1) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Contracts in progress    
Costs incurred on contracts in progress $ 2,411,733 $ 3,225,340
Estimated earnings, net of estimated losses 301,954 580,340
Costs and estimated earnings, total 2,713,687 3,805,680
Less - Billings to date (2,669,623) (3,753,326)
Cost and estimated earnings, Net 44,064 52,354
Costs and estimated earnings in excess of billings on uncompleted contracts 206,159 135,475
Less - Billings in excess of costs and estimated earnings on uncompleted contracts $ (162,095) $ (83,121)