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v3.26.1

Notes and Loans Payable - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Apr. 30, 2026 | Apr. 30, 2025 | Apr. 30, 2024 | Aug. 24, 2020
Debt Instrument [Line Items] |  |  |  |
Amortization to interest expense for all debt issuance costs | $ 244,000 | $ 157,000 | $ 89,805 |
Notes Payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt issuance cost | $ 219,000 | $ 941,000 |  |
Amended And Restated Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, borrowing capacity |  |  |  | $ 100,000,000
Swingline Loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest description of revolving line of credit | Each Swingline Loan (as defined in the Second Amended and Restated Credit Agreement) bears interest at the Base Rate, plus an applicable margin based on our Adjusted Consolidated Leverage Ratio (as defined in the Second Amended and Restated Credit Agreement). |  |  |
Credit facility additional borrowing capacity option to increase maximum borrowing capacity |  |  |  | 50,000,000
Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Swingline Loan |  |  |  | 5,000,000
Weighted Average [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate on borrowings | 5.72% |  |  |
Unsecured Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, borrowing capacity |  |  |  | $ 175,000,000
Interest description of revolving line of credit | the Revolving Line. The Revolving Line bears interest at either the Base Rate (as defined in the Second Amended and Restated Credit Agreement) or the Adjusted Term SOFR rate, plus an applicable margin based on our consolidated leverage ratio. |  |  |
Credit Facilities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Borrowings outstanding | $ 20,000,000 |  |  |
Outstanding letters of credit | $ 1,500,000 |  |  |

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