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Credit Facility - Term Loan Maturities (Details)
$ in Millions
3 Months Ended
Jan. 31, 2021
USD ($)
Debt Instrument [Line Items]  
Debt instrument, periodic payment, principal $ 30.0
Term Loan  
Term Loan Maturities  
Debt maturities, 2021 90.0
Debt maturities, 2022 $ 560.0