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Share Repurchase Program (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Feb. 07, 2024
Feb. 08, 2023
Feb. 10, 2022
Stock Repurchase Program, Authorized Amount       $ 320.0 $ 350.0 $ 400.0
Stock Repurchased During Period, Shares 10.4 10.3 0.0      
Payments for Repurchase of Common Stock $ 350.2 $ (320.1) $ 0.0      
Treasury Stock Acquired, Average Cost Per Share $ 33.64 $ 31.01 $ 0      
Excise and Sales Taxes $ 2.5          
2017 Share Repurchase Program            
Stock repurchase program, remaining authorized repurchase amount $ 80.1