Income Taxes - Summary of Net Operating Losses and Tax Credit Carryforwards (Details) $ in Thousands	12 Months Ended
Apr. 30, 2026 USD ($)
Federal
Valuation Allowance [Line Items]
Tax credits	$ 6,336
Net operating losses, Expiration Years	Indefinite
Federal \| Minimum
Valuation Allowance [Line Items]
Tax credits, Expiration Years	2039
Federal \| Maximum
Valuation Allowance [Line Items]
Tax credits, Expiration Years	2043
Federal \| Pre-TCJA
Valuation Allowance [Line Items]
Net opreating losses	$ 0
Federal \| Post-TCJA
Valuation Allowance [Line Items]
Net opreating losses	322,006
State
Valuation Allowance [Line Items]
Net opreating losses	97,540
Tax credits	$ 0
Net operating losses, Expiration Years	Various
Foreign
Valuation Allowance [Line Items]
Net opreating losses	$ 43,657
Tax credits	$ 0
Net operating losses, Expiration Years	Indefinite

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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