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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Total current portion of long-term debt $ 42.5 $ 42.5
Total notes 2,738.2 1,548.4
Long-term credit agreements 783.8 444.4
Debt issuance costs (contra) (24.9) (12.4)
Total long-term debt less unamortized discount and debt issuance costs 3,497.1 1,980.4
Current portion of long-term debt 42.5 42.5
Total debt 3,539.6 2,022.9
5-year Term-Loan Facility Expires in 2026    
Debt Instrument [Line Items]    
Total current portion of long-term debt 12.5 12.5
Long-term credit agreements 231.3 234.4
5-year Term-Loan Facility Expires in 2023    
Debt Instrument [Line Items]    
Total current portion of long-term debt 30.0 30.0
Long-term credit agreements 202.5 210.0
4.200% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2024    
Debt Instrument [Line Items]    
Total notes 499.6 499.5
4.500% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2029    
Debt Instrument [Line Items]    
Total notes 349.6 349.6
2.375% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2031    
Debt Instrument [Line Items]    
Total notes 699.3 699.3
4.200% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2032    
Debt Instrument [Line Items]    
Total notes 597.9 0.0
4.950% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2052    
Debt Instrument [Line Items]    
Total notes 591.8 0.0
5-year Revolving-Loan Facility, Periodic Interest Payments, LIBOR Plus up to 1.525%, Plus Commitment Fees up to 0.225%, Expires October 27, 2026    
Debt Instrument [Line Items]    
Long-term credit agreements $ 350.0 $ 0.0