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Acquisition Acquisition (Consideration Transferred) (Details) - USD ($)
$ in Millions
3 Months Ended
Aug. 23, 2019
Sep. 30, 2019
Northwest Logic    
Business Acquisition [Line Items]    
Total consideration transferred $ 21.9  
Escrow Deposit $ 3.0  
escrow release term 15 months  
Silicon IP and Business Protocols Business from Verimatrix [Member] [Domain]    
Business Acquisition [Line Items]    
Total consideration transferred   $ 65.0