Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Income taxes
U.S. federal statutory income tax rate (as a percent)	21.00%	21.00%	21.00%
Provision for (benefit from) income taxes	$ 1,891	$ (14,663)	$ (10,369)
Effective tax benefit rate (as a percent)	3.00%	7.80%	54.20%
Domestic	$ 68,968	$ (187,647)	$ (10,187)
Foreign	$ (5,737)	$ (730)	$ (8,956)

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
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Name Accounting Standards Codification
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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
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