Related Party Transactions and Parent Company Equity - Components of Net Assets and Liabilities Transferred in Connection with Spin-off (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Sep. 27, 2014
Related Party Transaction [Line Items]        
Receivables $ 202,732 $ 227,534    
Plant, property and equipment, net 8,920 9,239    
Goodwill 216,930 222,460 222,460  
Other non-current assets 6,575 2,403    
Total Assets 499,491 489,164    
Accounts payable 114,487 109,701    
Compensation and other employee benefits 36,580 51,026    
Other accrued liabilities 37,073 10,086    
Other non-current liabilities 13,544 15,111    
Deferred tax liabilities 100,751 99,202    
Total liabilities 445,616 297,832    
Exelis, Inc. | Former Parent        
Related Party Transaction [Line Items]        
Receivables       (594)
Prepaid expenses       (59)
Plant, property and equipment, net       (19)
Goodwill       (5,530)
Other non-current assets       3,816
Total Assets       (2,386)
Accounts payable       (2,212)
Advance payments and billings in excess of costs       (833)
Compensation and other employee benefits       (1,201)
Other accrued liabilities       31,044
Other non-current liabilities       (1,610)
Deferred tax liabilities       (9,733)
Total liabilities       15,455
Net adjustment to parent company equity       $ 17,841