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Costs And Estimated Earnings On Uncompleted Contracts (Narrative) (Details)	9 Months Ended
	Sep. 30, 2014 customer	Dec. 31, 2013
Costs And Estimated Earnings On Uncompleted Contracts [Abstract]
Costs and estimated earnings in excess of billings on uncompleted contracts, net of billings in excess of costs and estimated earnings, percentage comprised by significant customers	87.80%	89.60%
Number of significant customers	8

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- Definition

Costs and estimated earnings in excess of billings on uncompleted contracts net percentage comprised by significant customers.

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No definition available.

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- Definition

Number of significant customers.

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No definition available.

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