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BUSINESS SEGMENTS AND RELATED INFORMATION (Net Derivative Gains (Losses)) (Details) - USD ($) $ in Millions | 12 Months Ended
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May 29, 2016 | May 31, 2015 | May 25, 2014
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | $ 3.6 |  |
Consumer Foods |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (18.9) |  |
Commercial Foods |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (1.4) |  |
Commodity contracts |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (12.1) | $ (79.3) | $ 21.2
Commodity contracts | General corporate expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | 18.1 | (32.7) | 22.8
Commodity contracts | Reporting segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (30.2) | (46.6) | (1.6)
Commodity contracts | Consumer Foods |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | (21.1) | (41.9) | (5.9)
Commodity contracts | Commercial Foods |  |  |
Segment Reporting Information [Line Items] |  |  |
Net derivative gains (losses) incurred | $ (9.1) | $ (4.7) | $ 4.3

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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