v3.26.3
Stock-Based Compensation (Nature Of Total Stock-Based Compensation) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 20.3 $ 18.4 $ 58.8 $ 51.8
Share-based Payment Arrangement, Expensed and Capitalized, Amount 20.5 18.6 59.5 52.5
Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 14.6 14.3 41.4 40.2
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation 4.8 3.3 14.9 9.5
Employee Stock Purchase Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 1.1 $ 1.0 $ 3.2 $ 2.8