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Mergers and Acquisitions - Narrative (Details) - Trilithic, Inc - USD ($)
$ in Millions
3 Months Ended
Aug. 09, 2017
Sep. 30, 2017
Business Acquisition [Line Items]    
Total purchase price $ 55.5  
Acquisition-related costs   $ 0.9
Minimum    
Business Acquisition [Line Items]    
Estimated useful life 3 years  
Maximum    
Business Acquisition [Line Items]    
Estimated useful life 5 years