v3.26.3
Debt and Credit Facilities (Short-Term Borrowings and Current Maturities of Long-Term Debt) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Short-term borrowings and current maturities of long-term debt $ 293.1 $ 693.0
Debentures With Put Feature [Member]    
Short-term borrowings and current maturities of long-term debt 293.1 293.1
Commercial Paper [Member]    
Short-term borrowings and current maturities of long-term debt 0.0  
Three Point Five Percent Senior notes Due Two Thousand Twenty Six [Member]    
Short-term borrowings and current maturities of long-term debt $ 0.0 $ 399.9
Debt Instrument, Interest Rate, Stated Percentage 3.50% 3.50%