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Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Apr. 30, 2025 | Apr. 30, 2024
Revenue Recognition [Line Items] |  |
Contract assets in accounts receivable | $ 12,693 | $ 11,840
Contract liabilities | $ 6,073 | 4,374
Fiscal Year 2026 |  |
Revenue Recognition [Line Items] |  |
Contract liability recognized as revenue percentage | 40.00% |
Prepaid Expenses and Other Current Assets |  |
Revenue Recognition [Line Items] |  |
Contract assets in other assets | $ 0 | $ 312

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