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Credit Facility - Term Loan Maturities (Details)
$ in Millions
12 Months Ended
Oct. 31, 2020
USD ($)
Debt Instrument [Line Items]  
Debt instrument, periodic payment, principal $ 60.0
Term Loan  
Term Loan Maturities  
Debt maturities, 2021 120.0
Debt maturities, 2022 $ 560.0