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Transactions with Former Parent - Additional Information (Details) (Exelis, Former Parent, USD $)
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3 Months Ended | ||
|---|---|---|---|
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Mar. 29, 2014
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Mar. 27, 2015
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Dec. 31, 2014
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| Related Party Transaction [Line Items] | |||
| General corporate expenses incurred by related party allocated to Company | $ 7,800,000 | ||
| Payables due to related party | 1,000,000 | 1,400,000 | |
| Receivables due from related party | 100,000 | ||
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Master Transition Service Agreement
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| Related Party Transaction [Line Items] | |||
| Charges incurred due to services provided by related party | 1,000,000 | ||
| Revenue incurred due to services provided to related party | $ 0 | ||