Risk Management Activities - Schedule of Unallocated Corporate Items (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Aug. 30, 2026 |
Aug. 24, 2025 |
|
| Investments, All Other Investments [Abstract] | ||
| Net gain (loss) on mark-to-market valuation of certain commodity positions | $ 49.2 | $ (0.5) |
| Net gain on commodity positions reclassified from unallocated corporate items to segment operating profit | (29.8) | (1.4) |
| Net mark-to-market revaluation of certain grain inventories | 10.1 | (6.6) |
| Net mark-to-market valuation of certain commodity positions recognized in unallocated corporate items | $ 29.5 | $ (8.5) |