Income Taxes - Schedule of Changes in Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits, beginning of year	$ 14,023	$ 10,566	$ 10,682
Additions based on tax positions related to the current year	2,140	1,573	1,257
Additions based on tax positions related to prior years	993	2,208	28
Settlement with tax authority	(2,159)	0	(545)
Lapse of applicable statute of limitations	(4,141)	(324)	(856)
Unrecognized tax benefits, end of year	$ 10,856	$ 14,023	$ 10,566

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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