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Subsequent Event (Details) - 1.25% Senior Note - Subsequent Event
$ in Millions
Oct. 13, 2020
USD ($)
Subsequent Event [Line Items]  
Senior Notes $ 400.0
Debt Instrument, Interest Rate, Stated Percentage 1.25%
Note Offering Percent 99.339%
Debt Yield to Maturity Percent 1.379%