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Note 6 - Derivative Financial Instruments - Net Derivative Gains (Losses) (Details) - USD ($) $ in Millions | 3 Months Ended
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Aug. 27, 2023 | Aug. 28, 2022
Net derivative gains (losses) | $ 19.5 | $ 9.5
Operating Segments [Member] |  |
Net derivative gains (losses) | (8.1) | 9.0
Operating Segments [Member] | Grocery And Snacks [Member] |  |
Net derivative gains (losses) | (3.9) | 5.0
Operating Segments [Member] | Refrigerated And Frozen [Member] |  |
Net derivative gains (losses) | (2.3) | 3.3
Operating Segments [Member] | International [Member] |  |
Net derivative gains (losses) | (1.6) | 0.1
Operating Segments [Member] | Foodservice [Member] |  |
Net derivative gains (losses) | (0.3) | 0.6
Corporate, Non-Segment [Member] |  |
Net derivative gains (losses) | $ 27.6 | $ 0.5

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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