v3.26.1
Long-term Debt -Summary of Long Term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Aug. 20, 2025
Borrowings      
Unamortized discount and debt issuance costs $ (25.3) $ (27.3)  
Other 15.2 13.7  
Total debt 2,889.9 2,886.4  
Less: Current portion of debt 5.0 4.8  
Long-term debt $ 2,884.9 2,881.6  
5.55% Notes due 2040      
Borrowings      
Interest rate (as a percent) 5.55%   5.55%
Long-term debt, carrying amount $ 500.0 500.0  
5.55% Notes due 2040 | Significant Observable Inputs (Level 2)      
Borrowings      
Fair value of notes $ 495.9 505.6  
5.25% Notes due 2035      
Borrowings      
Interest rate (as a percent) 5.25%   5.25%
Long-term debt, carrying amount $ 500.0 500.0  
5.25% Notes due 2035 | Significant Observable Inputs (Level 2)      
Borrowings      
Fair value of notes $ 499.4 511.1  
2.20% Notes due 2032      
Borrowings      
Interest rate (as a percent) 2.20%    
Long-term debt, carrying amount $ 550.0 550.0  
2.20% Notes due 2032 | Significant Observable Inputs (Level 2)      
Borrowings      
Fair value of notes $ 475.9 479.4  
2.75% Notes due 2030      
Borrowings      
Interest rate (as a percent) 2.75%    
Long-term debt, carrying amount $ 750.0 750.0  
2.75% Notes due 2030 | Significant Observable Inputs (Level 2)      
Borrowings      
Fair value of notes $ 700.4 707.8  
3.75% Notes due 2027      
Borrowings      
Interest rate (as a percent) 3.75%    
Long-term debt, carrying amount $ 600.0 600.0  
3.75% Notes due 2027 | Significant Observable Inputs (Level 2)      
Borrowings      
Fair value of notes $ 593.2 $ 597.1