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Business Combinations - Additional Information (Details) - USD ($)
$ in Millions
Nov. 05, 2019
Sep. 19, 2019
Avera    
Business Acquisition [Line Items]    
Cash consideration $ 593.5  
Contingent consideration 90.0  
Avera | Selling, General and Administrative    
Business Acquisition [Line Items]    
Acquisition related costs $ 5.7  
Aquantia    
Business Acquisition [Line Items]    
Total merger consideration   $ 502.2
Aquantia | Selling, General and Administrative    
Business Acquisition [Line Items]    
Acquisition related costs   $ 5.3