Income Taxes - Components of Income Before Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Income Tax Disclosure [Line Items]
Income before taxes	$ 174,295	$ 374,166	$ 447,503
United States
Income Tax Disclosure [Line Items]
Income before taxes	158,770	347,309	392,299
Foreign
Income Tax Disclosure [Line Items]
Income before taxes	$ 15,525	$ 26,857	$ 55,204

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details