v3.25.4
Shareholders' Equity (Details) - Common Stock - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Equity, Class of Treasury Stock [Line Items]        
Shares repurchased 3.7 1.6    
Average price per share (a) $ 101.57 $ 114.39    
Total Share Repurchase Cost $ 382.2 $ 182.1    
Sales and Excise Tax Payable, Current 3.2 1.0    
Accrued repurchases of common stock $ 4.8 $ 6.2 $ 2.0 $ 0.2