Stock-Based Compensation - Total Grant Date Value of Shares Vested (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date value of shares vested	$ 19,966	$ 18,504	$ 29,874

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details