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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Apr. 30, 2026 | Apr. 30, 2025 | Apr. 30, 2024
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Unrecognized tax benefits | $ 10,219 | $ 9,797 | $ 9,151
Unrecognized tax benefits, income tax penalties and interest accrued | 600 | 400 |
Unrecognized tax benefits, interest and penalties | 1,000 | 800 |
Unrecognized tax benefits, interest on income taxes expense | 200 | 200 |
Unrecognized tax benefits that would impact effective tax rate | 10,200 | 9,800 |
Valuation allowance decrease | 70,000 | (77,300) |
Valuation allowance | 7,282 | 77,309 |
Capital losses | 2,948 | $ 0 |
State and Local Jurisdiction |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Operating loss carryforwards | 134,400 |  |
Apportioned state net operating loss carryforwards, tax effected value | 6,700 |  |
Other |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Operating loss carryforwards | 300 |  |
Estimated taxes upon repatriation | 2,200 |  |
Domestic Tax Jurisdiction |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |
Operating loss carryforwards | 1,900 |  |
Apportioned state net operating loss carryforwards, tax effected value | 400 |  |
Capital losses | 12,100 |  |
Capital loss, tax effects | $ 2,900 |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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