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Segment Information and Geographical Data (Narrative) (Details)
$ in Millions
3 Months Ended
Sep. 30, 2022
USD ($)
Segment
Dec. 31, 2021
USD ($)
Segment Reporting [Abstract]    
Number of operating segments 3  
Number of reportable segments 3  
Goodwill included in foreign assets | $ $ 12.4 $ 15.1