Quarterly report pursuant to Section 13 or 15(d)

Business Segments and Customer Information, Major Customers (Details)

v3.3.0.814
Business Segments and Customer Information, Major Customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Revenue, Major Customer [Line Items]        
Revenue $ 137,396 $ 101,749 $ 389,313 $ 329,120
Revenue by customer 100.00% 100.00% 100.00% 100.00%
U.S. Postal Service [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 47,356 $ 43,273 $ 136,875 $ 123,865
Revenue by customer 34.50% 42.50% 35.10% 37.60%
Department of Energy [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 2,817 $ 4,791 $ 11,923 $ 14,340
Revenue by customer 2.00% 4.70% 3.10% 4.40%
Department of Treasury [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 418 $ 263 $ 1,405 $ 9,194
Revenue by customer 0.30% 0.30% 0.40% 2.80%
Other Government [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 6,861 $ 9,197 $ 18,085 $ 23,664
Revenue by customer 5.00% 9.00% 4.60% 7.20%
Total Federal Civilian Agencies [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 57,452 $ 57,524 $ 168,288 $ 171,063
Revenue by customer 41.80% 56.50% 43.20% 52.00%
U.S. Navy [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 24,036 $ 20,568 $ 68,040 $ 69,324
Revenue by customer 17.50% 20.20% 17.50% 21.10%
U.S. Army/Army Reserve [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 20,476 $ 21,855 $ 58,204 $ 83,579
Revenue by customer 14.90% 21.50% 15.00% 25.40%
U.S. Air Force [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 869 $ 800 $ 2,583 $ 2,405
Revenue by customer 0.60% 0.80% 0.60% 0.70%
Total DoD [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 45,381 $ 43,223 $ 128,827 $ 155,308
Revenue by customer 33.00% 42.50% 33.10% 47.20%
Commercial Aviation [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 32,976 $ 0 $ 87,644 $ 0
Revenue by customer 24.00% 0.00% 22.50% 0.00%
Other Commercial [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 1,587 $ 1,002 $ 4,554 $ 2,749
Revenue by customer 1.20% 1.00% 1.20% 0.80%
Commercial [Member]        
Revenue, Major Customer [Line Items]        
Revenue $ 34,563 $ 1,002 $ 92,198 $ 2,749
Revenue by customer 25.20% 1.00% 23.70% 0.80%