Contract Assets and Liabilities (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Apr. 30, 2024 |
|
| Contract Assets [Member] | |||
| Contract Assets and Liabilities (Details) [Line Items] | |||
| Increase (Decrease) in Commodity Contract Assets and Liabilities | $ 0.6 | ||
| Contract Liabilities [Member] | |||
| Contract Assets and Liabilities (Details) [Line Items] | |||
| Increase (Decrease) in Commodity Contract Assets and Liabilities | $ 4.2 | $ 9.3 | $ 18.3 |