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Note 15 - Fair Value Measurements (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Nov. 26, 2023 | Aug. 27, 2023 | Aug. 28, 2022 | Nov. 26, 2023 | Nov. 27, 2022 | May 28, 2023
Asset Impairment Charges |  |  |  | $ 50.7 | $ 413.7 |
Goodwill, Impairment Loss |  |  | $ 141.7 | 20.7 |  |
Long-Term Debt | $ 8,510.0 |  |  | 8,510.0 |  | $ 8,600.0
Long-Term Debt, Fair Value | 8,110.0 |  |  | $ 8,110.0 |  | $ 8,310.0
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |
Asset Impairment Charges | 34.2 |  |  |  |  |
International [Member] |  |  |  |  |  |
Asset Impairment Charges | $ 34.2 | $ 14.1 |  |  |  |
Grocery And Snacks [Member] |  |  |  |  |  |
Asset Impairment Charges |  | $ 0.6 | 0.5 |  |  |
Refrigerated And Frozen [Member] |  |  |  |  |  |
Asset Impairment Charges |  |  | 5.7 |  |  |
Refrigerated And Frozen [Member] | Selling, General and Administrative Expenses [Member] |  |  |  |  |  |
Goodwill, Impairment Loss |  |  | 141.7 |  |  |
Refrigerated And Frozen [Member] | Selling, General and Administrative Expenses [Member] | Trade Names [Member] |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) |  |  | 244.0 |  |  |
Foodservice [Member] |  |  |  |  |  |
Asset Impairment Charges |  |  | $ 20.5 |  |  |

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