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Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Jan. 25, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative asset, fair value $ 32.7 $ 15.3  
Derivative liability, fair value 16.2 26.7  
Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative asset, fair value 0.0 0.0  
Derivative liability, fair value 0.0 0.0  
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative asset, fair value 32.7 15.3  
Derivative liability, fair value 16.2 26.7  
Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative asset, fair value 0.0 0.0  
Derivative liability, fair value $ 0.0 $ 0.0  
Senior Notes Due 2025, 1.002%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt instrument, interest rate, percent     1.002%