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BUSINESS SEGMENTS AND RELATED INFORMATION - Schedule of Net Derivative Gains (Losses) from Economic Hedges (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 26, 2019 | May 27, 2018 | May 28, 2017
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | $ 1.0 | $ 0.4 |
Commodity contracts |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (3.6) | (0.9) | $ 0.6
Commodity contracts | Reporting segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (1.8) | (7.1) | 5.7
Commodity contracts | Reporting segments | Grocery & Snacks |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (2.1) | 0.2 | 3.4
Commodity contracts | Reporting segments | Refrigerated & Frozen |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (1.1) | (0.3) | 0.8
Commodity contracts | Reporting segments | International |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | 2.8 | (6.9) | 1.6
Commodity contracts | Reporting segments | Foodservice |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (0.6) | (0.1) | 0.0
Commodity contracts | Reporting segments | Pinnacle Foods |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (0.8) | 0.0 | 0.0
Commodity contracts | Reporting segments | Commercial |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | 0.0 | 0.0 | (0.1)
Commodity contracts | Net derivative gains (losses) recognized in general corporate expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | $ (1.8) | $ 6.2 | $ (5.1)

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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=109980867&loc=SL5618551-113959 + Details
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