Note 14 - Business Segments and Related Information - Presentation of Derivative Gain (Losses) from Economic Hedges of Forecasted Cash Flows in Segment Results (Details) - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Nov. 27, 2022 |
Nov. 28, 2021 |
Nov. 27, 2022 |
Nov. 28, 2021 |
|
| Net derivative gains (losses) | $ 5.2 | $ 7.0 | $ 14.7 | $ 17.2 |
| Operating Segments [Member] | ||||
| Net derivative gains (losses) | 7.6 | 8.8 | 16.6 | 13.8 |
| Operating Segments [Member] | Grocery And Snacks [Member] | ||||
| Net derivative gains (losses) | 2.5 | 4.7 | 7.5 | 7.9 |
| Operating Segments [Member] | Refrigerated And Frozen [Member] | ||||
| Net derivative gains (losses) | 4.3 | 4.6 | 7.6 | 9.3 |
| Operating Segments [Member] | International [Member] | ||||
| Net derivative gains (losses) | 0.6 | (0.7) | 0.7 | (3.9) |
| Operating Segments [Member] | Foodservice [Member] | ||||
| Net derivative gains (losses) | 0.2 | 0.2 | 0.8 | 0.5 |
| Segment Reconciling Items [Member] | ||||
| Net derivative gains (losses) | $ (2.4) | $ (1.8) | $ (1.9) | $ 3.4 |