v3.26.1
Debt Narrative (details) (Details) - USD ($)
$ in Millions
1 Months Ended
Sep. 30, 2013
Mar. 31, 2026
Dec. 31, 2025
Debt Instrument [Line Items]      
Forward starting interest rate swap agreement fixed rate 4.73%    
Long-term debt   $ 3,423.2 $ 3,422.3
$750.0 Million Fixed Rate Notes Due March 2030, Interest Equal To 4.4% [Abstract]      
Debt Instrument [Line Items]      
Long-term debt   742.6 742.1
$750.0 Million Fixed Rate Notes Due March 2025, stated rate of 3.00% [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Face Amount   $ 750.0  
Debt Instrument, Interest Rate, Stated Percentage   3.00%  
Debt Instrument, Face Amount   $ 750.0  
Debt Instrument, Interest Rate, Stated Percentage   3.00%  
$500.0 Million Fixed Rate Notes Due June 2028, stated rate of 3.75% [Member] [Domain]      
Debt Instrument [Line Items]      
Long-term debt   $ 499.1 $ 498.9
Debt Instrument, Face Amount   $ 750.0  
Debt Instrument, Interest Rate, Stated Percentage   4.40%  
Debt Instrument, Face Amount   $ 750.0  
Debt Instrument, Interest Rate, Stated Percentage   4.40%