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BUSINESS SEGMENTS AND RELATED INFORMATION - Schedule of Net Derivative Gains (Losses) from Economic Hedges of Forecasted Commodity Consumption and Foreign Currency Risk (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 30, 2021 | May 31, 2020 | May 26, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | $ 13.5 |  |
Commodity contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | 9.5 | $ (12.9) | $ (3.6)
Commodity contracts | Reporting segments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | (6.1) | (7.4) | (1.8)
Commodity contracts | Reporting segments | Net derivative losses allocated to Grocery & Snacks |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | (2.3) | (4.7) | (2.5)
Commodity contracts | Reporting segments | Net derivative losses allocated to Refrigerated & Frozen |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | (1.7) | (2.5) | (1.5)
Commodity contracts | Reporting segments | Net derivative gains (losses) allocated to International |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | (1.7) | 0.1 | 2.8
Commodity contracts | Reporting segments | Net derivative losses allocated to Foodservice |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | (0.4) | (0.3) | (0.6)
Commodity contracts | Corporate |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net derivative gains (losses) incurred | $ 15.6 | $ (5.5) | $ (1.8)

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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