Annual report pursuant to Section 13 and 15(d)

Acquisitions (Acquisition Of Proprietary Technology, Narrative) (Details)

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Acquisitions (Acquisition Of Proprietary Technology, Narrative) (Details) - USD ($)
$ in Millions
Mar. 11, 2021
Mar. 31, 2018
Business Acquisition [Line Items]    
Ownership interest (as a percent)   43.00%
Estimated useful life (in years) 5 years  
Proprietary Technology    
Business Acquisition [Line Items]    
Ownership interest (as a percent) 29.00%  
Consideration transferred $ 35.5  
Redemption consideration 10.0  
Proprietary Technology | Proprietary technology    
Business Acquisition [Line Items]    
Finite-lived intangible assets acquired $ 24.5