Risk Management Activities (Schedule Of Unallocated Corporate items) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Aug. 24, 2025 |
Aug. 25, 2024 |
|
| Commodity Price Risk [Abstract] | ||
| Net loss on mark-to-market valuation of certain commodity positions | $ (0.5) | $ (37.7) |
| Net (gain) loss on commodity positions reclassified from unallocated corporate items to segment operating profit | (1.4) | 17.2 |
| Net mark-to-market revaluation of certain grain inventories | (6.6) | (8.3) |
| Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items | $ (8.5) | $ (28.8) |