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BUSINESS SEGMENTS AND RELATED INFORMATION (Narrative) (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 29, 2015 USD ($) | Nov. 23, 2014 | Nov. 29, 2015 USD ($) segment | Nov. 23, 2014 | May. 31, 2015 USD ($)
Segment Reporting [Abstract] |  |  |  |  |
Number of reportable segments | segment |  |  | 2 |  |
Cumulative net derivative losses from economic hedges recognized in corporate | $ 18.8 |  | $ 18.8 |  |
Net derivative losses recognized in general corporate expenses |  |  | 11.6 |  |
Derivative loss to be reclassified to segment operating results thereafter |  |  |  |  | $ 7.2
Reclassify losses in 2016 |  |  | 17.8 |  |
Reclassify losses in 2017 and thereafter |  |  | $ 1.0 |  |
Net sales | Wal-Mart Stores, Inc. and affiliates | Consumer Foods |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Concentration risk (as a percent) | 19.00% | 19.00% | 19.00% | 19.00% |
Net receivables | Wal-Mart Stores, Inc. and affiliates | Consumer Foods |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  | 17.00% |  | 16.00%

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