Income Taxes - Effective Income Tax Rate As a Percentage of Pretax Income Differed From the Us Federal Statutory Rate (Details) |
12 Months Ended | ||
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Apr. 30, 2025 |
Apr. 30, 2024 |
Apr. 30, 2023 |
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| Effective Income Tax Rate Reconciliation, Percent [Abstract] | |||
| US federal statutory rate | 21.00% | 21.00% | 21.00% |
| Impact of foreign operations | 8.80% | (11.70%) | (10.50%) |
| Change in valuation allowance | 14.40% | (14.00%) | (7.40%) |
| State income taxes, net of US federal tax benefit | (1.50%) | 4.60% | (7.20%) |
| Tax credits and related net benefits | (2.70%) | 1.80% | (12.10%) |
| Impairment of goodwill | 0.00% | (10.90%) | 66.70% |
| Return to provision | (1.90%) | 6.10% | (13.70%) |
| Other | 3.00% | (4.00%) | 11.10% |
| Effective income tax rate | 41.10% | (7.10%) | 47.90% |
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- Definition Effective Income Tax Rate Reconciliation, Return to Provision, Percent No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to impairment loss. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of reported income tax benefit (expense) from difference to income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to other reconciling items. Excludes state and local income tax expense (benefit), federal tax expense (benefit), statutory income tax expense (benefit) outside of country of domicile, tax credit, nondeductible expense, deduction, income tax settlement, income tax contingency, and cross-border tax law. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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