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Credit Agreement and Debt - Schedule of Required Principal Payments Remaining on Long Term Debt Outstanding (Detail) - Term Loan [Member]
$ in Thousands
Oct. 31, 2020
USD ($)
Debt Instrument [Line Items]  
Fiscal 2021, remainder $ 1,052
Fiscal 2022 5,326
Fiscal 2023 7,250
Long-term Debt $ 13,628