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Debt - Senior Notes - Additional Information (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Feb. 13, 2020
4.000% Senior Notes Due 2028    
Debt Instrument [Line Items]    
Senior Notes   $ 500.0
Interest rate   4.00%
4.000% Senior Notes Due 2028 | Senior Notes    
Debt Instrument [Line Items]    
Fair value amount $ 518.3  
3.625% Senior Notes Due 2025    
Debt Instrument [Line Items]    
Senior Notes   $ 500.0
Interest rate   3.625%
3.625% Senior Notes Due 2025 | Senior Notes    
Debt Instrument [Line Items]    
Fair value amount $ 515.0