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Note 16 - Derivative Financial Instruments (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 24, 2020 | Nov. 24, 2019 | May 28, 2023 | May 29, 2022 | May 30, 2021 | May 31, 2020
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax |  |  | $ 4.2 | $ 8.5 | $ 0.4 |
Equity, Including Portion Attributable to Noncontrolling Interest |  |  | 8,807.3 | 8,862.2 | $ 8,631.4 | $ 7,950.7
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset |  |  | 8.3 | 20.1 |  |
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset |  |  | 13.0 | 16.1 |  |
Fair Value, Inputs, Level 2 [Member] |  |  |  |  |  |
Credit Derivative, Maximum Exposure, Undiscounted |  |  | 0.6 |  |  |
Prepaid Expenses and Other Current Assets [Member] |  |  |  |  |  |
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset |  |  | 21.3 | 4.0 |  |
Cash Flow Hedge Pinnacle [Member] |  |  |  |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax |  | $ 47.5 |  |  |  |
Write off of Deferred Debt Issuance Cost | $ 0.5 |  |  |  |  |
Cash Flow Hedge Pinnacle [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |  |  |
Equity, Including Portion Attributable to Noncontrolling Interest |  |  | 31.5 |  |  |
Commodity Contract [Member] | Short [Member] |  |  |  |  |  |
Derivative, Notional Amount |  |  | 134.6 | 96.7 |  |
Commodity Contract [Member] | Long [Member] |  |  |  |  |  |
Derivative, Notional Amount |  |  |  | 115.3 |  |
Foreign Exchange Contract [Member] |  |  |  |  |  |
Derivative, Notional Amount |  |  | $ 87.3 | $ 106.6 |  |

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