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Fair Value - Fair Value of Financial Instruments and Assets Measured on a Nonrecurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Fair Value of Financial Instruments [Line Items]    
Short-Term and Long-Term Debt - Carrying Amount [1] $ 1,994.4 $ 1,986.4
Level 2 [Member]    
Fair Value of Financial Instruments [Line Items]    
Short-Term and Long-Term Debt - Fair Value [1] $ 1,923.3 $ 2,192.6
[1] Excludes unamortized debt issuance costs.