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Business Acquisitions, Investments and Restructuring Charges (Restructuring Charges) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 16.6 $ 20.0 $ 14.2  
Payments for restructuring $ 17.2 $ 15.5    
Forecast        
Restructuring Cost and Reserve [Line Items]        
Additional restructuring charges expected       $ 20.0