Annual report pursuant to Section 13 and 15(d)

Costs and Estimated Earnings on Uncompleted Contracts - Information with Respect to Uncompleted Contracts (Detail)

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Costs and Estimated Earnings on Uncompleted Contracts - Information with Respect to Uncompleted Contracts (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Contractors [Abstract]    
Costs incurred on uncompleted contracts $ 991,123 $ 659,422
Estimated profit earned to date 40,045 21,883
Contract costs and estimated profits 1,031,168 681,305
Less billings to date 1,041,447 683,486
Costs and estimated earnings in excess of billings $ (10,279) $ (2,181)