Employee Stock Plans - Schedule of Cash Dividends Declared Per Share (Details) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Apr. 30, 2024 |
|
| Share-Based Payment Arrangement [Abstract] | |||
| Cash dividends declared per share (in dollars per share) | $ 1.99 | $ 1.59 | $ 1.02 |