Composition of Certain Financial Statement Captions - Schedule of Other Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Other Accrued Liabilities    
Workers' compensation, auto and general liability reserve $ 9,637 $ 0
Exelis indemnified receivable obligation 11,411 0
Accrued liabilities 16,025 10,086
Total $ 37,073 $ 10,086