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Acquisitions and Divestitures - Intangible Assets Acquired (Details) - Unidesk
$ in Thousands
Jan. 03, 2017
USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]  
Identifiable intangible assets acquired $ 39,470
Weighted average useful life 4 years
Developed Technology  
Acquired Finite-Lived Intangible Assets [Line Items]  
Identifiable intangible assets acquired $ 35,230
Weighted average useful life 4 years
Customer Contracts  
Acquired Finite-Lived Intangible Assets [Line Items]  
Identifiable intangible assets acquired $ 4,240
Weighted average useful life 4 years