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Credit Agreement and Long-Term Debt- Schedule of Required Principal Payments Remaining on Long Term Debt Outstanding (Detail) - Term Loan [Member]
$ in Thousands
Apr. 30, 2022
USD ($)
Debt Instrument [Line Items]  
Fiscal 2023, reminder $ 750
Fiscal 2024 1,000
Fiscal 2025 1,250
Fiscal 2026 6,000
Long-term Debt $ 9,000