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Note 3 - Supplemental Balance Sheet Information Costs and Estimated Earnings on Uncompleted Contracts (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Costs and Estimated Earnings on Uncompleted Contracts [Abstract]    
Costs incurred on uncompleted contracts $ 740,403 $ 664,662
Estimated earnings to date 141,413 183,850
Subtotal 881,816 848,512
Less – billings to date (826,795) (812,324)
Costs and estimated earnings in excess of billings 79,999 67,740
Billings in excess of costs and estimated earnings (24,978) (31,552)
Total $ 55,021 $ 36,188