Quarterly report pursuant to Section 13 or 15(d)

Business Segments and Customer Information, Revenue by Customer (Details)

v2.4.0.8
Business Segments and Customer Information, Revenue by Customer (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Revenue, Major Customer [Line Items]        
Revenue, by customer $ 107,962 $ 119,062 $ 227,371 $ 238,219
U.S. Army/Army Reserve [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 28,026 28,161 61,724 59,754
U.S. Navy [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 24,142 27,745 48,756 53,149
U.S. Air Force [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 809 3,228 1,605 6,407
Total Department of Defense [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 52,977 59,134 112,085 119,310
U.S. Postal Service [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 41,263 34,446 80,592 68,828
Department of Treasury [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 573 9,302 8,931 18,811
Department of Interior [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 500 2,809 695 5,544
Department of Energy [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 4,923 5,214 9,549 10,106
Other government [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 6,788 7,577 13,772 14,466
Total Federal civilian agencies [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer 54,047 59,348 113,539 117,755
Commercial [Member]
       
Revenue, Major Customer [Line Items]        
Revenue, by customer $ 938 $ 580 $ 1,747 $ 1,154