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Stock-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense $ 5.2 $ 3.5 $ 15.0 $ 10.8
Stock Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted     11,000.0  
Grant date fair value     $ 54.46  
Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted     200,000 200,000
Grant date fair value     $ 63.26 $ 53.40
Awards vesting period     3 years  
Performance Share Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares vested     300,000 300,000
Shares granted     500,000 200,000
Grant date fair value     $ 55.43 $ 58.28
Awards vesting period     3 years  
Shares will vest if defined maximum performance targets are met     900,000  
Shares will vest if defined maximum performance targets are not met     0  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period     300,000 300,000
Performance Share Units [Member] | Tranche One [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Performance target range     0.00%  
Performance Share Units [Member] | Tranche Two [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Performance target range     250.00%