Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2026 |
Feb. 20, 2026 |
May 31, 2025 |
|
| Operating Leased Assets [Line Items] | |||
| Gain contingency, unrecorded amount | $ 9.0 | ||
| Former gain contingency, recognized in current period | $ 2.8 | ||
| Insurance settlements receivable | 0.6 | ||
| Standby Letters of Credit | |||
| Operating Leased Assets [Line Items] | |||
| Open standby letters of credit | $ (5.4) | $ (4.0) | |
| Term of debt instrument | 1 year |