Costs And Estimated Earnings On Uncompleted Contracts (Costs And Estimated Earnings On Uncompleted Contracts Accompanying Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Costs And Estimated Earnings On Uncompleted Contracts [Abstract]
Costs and estimated earnings in excess of billings on uncompleted contracts	$ 27,864	$ 23,644
Other current liabilities (Billings in excess of costs and estimated earnings on uncompleted contracts)	(9,242)	(1,120)
Costs in excess of billings on uncompleted contracts or programs	$ 18,622	$ 22,524