|
Business Segments and Customer Information, Revenue by Customer (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | $ 101,749 | $ 111,069 | $ 329,120 | $ 349,288 |
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U.S. Army/Army Reserve [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 21,855 | 22,868 | 83,579 | 82,622 |
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U.S. Navy [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 20,568 | 23,245 | 69,324 | 76,394 |
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U.S. Air Force [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 800 | 3,587 | 2,405 | 9,994 |
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Total Department of Defense [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 43,223 | 49,700 | 155,308 | 169,010 |
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U.S. Postal Service [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 43,273 | 36,122 | 123,865 | 104,950 |
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Department of Treasury [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 263 | 9,754 | 9,194 | 28,565 |
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Department of Interior [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 506 | 2,881 | 1,201 | 8,425 |
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Department of Energy [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 4,791 | 5,237 | 14,340 | 15,343 |
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Other government [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 8,691 | 6,985 | 22,463 | 21,451 |
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Total Federal civilian agencies [Member]
|
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | 57,524 | 60,979 | 171,063 | 178,734 |
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Commercial [Member]
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| Revenue, Major Customer [Line Items] | ||||
| Revenue, by customer | $ 1,002 | $ 390 | $ 2,749 | $ 1,544 |