Effective Income Tax Rate Reconciliation, Various Changes in Deferred Tax Assets Valuation Allowance, Amount

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Schedule Of Income Taxes [Line Items]

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits.

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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Amount of interest expense accrued for an underpayment of income taxes.

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Amount of interest expense for an underpayment of income taxes.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Schedule Of Income Taxes [Line Items]
Deferred tax assets, valuation allowance increase (decrease)	$ 600,000	$ (3,000,000.0)	$ (12,700,000)
Changes in deferred tax assets valuation allowance, amount			(9,700,000)
Unrecognized tax benefits liability	12,955,000	10,856,000	14,023,000	$ 10,566,000
Unrecognized tax benefits, interest on income taxes accrued	4,000,000.0	2,700,000	2,100,000
Unrecognized tax benefits, income tax penalties accrued	400,000	400,000
Recognized tax expense related to interest and penalties	1,400,000	800,000	0
Cash used to pay income taxes, net of refunds	89,770,000	$ 106,900,000	$ 72,124,000
State and Local Jurisdiction
Schedule Of Income Taxes [Line Items]
Net operating loss carryforward	17,100,000
Foreign
Schedule Of Income Taxes [Line Items]
Net operating loss carryforward	73,900,000
Internal Revenue Service (IRS)
Schedule Of Income Taxes [Line Items]
Net operating loss carryforward	$ 400,000