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Share-based Payments, Stock Options (Details 2) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
The total intrinsic value of options exercised during the fiscal year (31.8) (33.0) (16.0)  
Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of years the employee stock options vest in equal annual installments 3 years      
Assumptions used to calculate the fair value of stock options in each period are noted in the following table. A summary of the assumptions used to estimate the fair value of stock option awards is as follows:        
Expected volatility (percent)       35.35%
Expected dividend yield (percent)       1.97%
Expected term (in years)       7 years
Risk-free interest rate (percent)       2.34%
Shares (in millions)        
Number of option shares outstanding at beginning of period (in shares) 0.6      
Granted (in shares) 0.0      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price $ 0      
Cancelled (in shares) (0.1)      
Number of option shares outstanding at end of period (in shares) 0.5 0.6    
Number of shares issuable under options exercisable at end of period (in shares) 0.5      
Weighted Average Exercise Price        
Weighted average exercise price- options outstanding at beginning of period (in usd per share) $ 34.46      
Granted (in usd per share) 0      
Cancelled (in usd per share) 49.73      
Weighted Average Exercise Price- options outstanding at end of period (in usd per share) 32.68 $ 34.46    
Weighted Average Exercise Price- options exercisable at end of period (in usd per share) $ 32.68      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Weighted Average Remaining Contractual Term (Years) - options outstanding at end of fiscal year 1 year 5 months 8 days      
Weighted Average Remaining Contractual Term (Years) - options exercisable as of the end of the fiscal year 1 year 5 months 8 days      
Aggregate Intrinsic Value - options outstanding at end of fiscal year $ 0.0      
Aggregate Intrinsic Value - options exercisable as of the end of the fiscal year $ 0.0      
The total intrinsic value of options exercised during the fiscal year 0.0