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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 | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 27, 2022 | Feb. 28, 2021 | Feb. 27, 2022 | Feb. 28, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred |  |  | $ 17.7 |
Commodity Contracts and Foreign Currency Contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred | $ 10.0 | $ 5.3 | 27.2 | $ 1.4
Commodity Contracts and Foreign Currency Contracts | Reporting segments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred | 8.1 | (1.1) | 21.9 | (5.8)
Commodity Contracts and Foreign Currency Contracts | Reporting segments | Grocery & Snacks |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred | 3.9 | 0.3 | 11.8 | (4.1)
Commodity Contracts and Foreign Currency Contracts | Reporting segments | Net derivative gains (losses) allocated to Refrigerated & Frozen |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred | 3.6 | (0.1) | 12.9 | (2.1)
Commodity Contracts and Foreign Currency Contracts | Reporting segments | Net derivative gains (losses) allocated to International |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred | 0.3 | (1.3) | (3.6) | 1.1
Commodity Contracts and Foreign Currency Contracts | Reporting segments | Net derivative gains (losses) allocated to Foodservice |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred | 0.3 | 0.0 | 0.8 | (0.7)
Commodity Contracts and Foreign Currency Contracts | Corporate |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gross derivative gains incurred | $ 1.9 | $ 6.4 | $ 5.3 | $ 7.2

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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=125515794&loc=SL5618551-113959 + Details
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