Revenue Recognition, Contracts with Customers - Shipping and Handling (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Apr. 30, 2024 |
|
| Revenue from Contract with Customer [Abstract] | |||
| Shipping and handling costs | $ 23,122 | $ 23,644 | $ 25,853 |