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BUSINESS SEGMENTS AND RELATED INFORMATION - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 28, 2016 USD ($) segment | Aug. 30, 2015 | May 29, 2016 USD ($) | Nov. 18, 2015 company
Segment Reporting [Abstract] |  |  |  |
Number of reportable segments | segment | 5 |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Cumulative net derivative gains from economic hedges recognized in general and corporate expenses | $ 4.2 |  |  |
Net derivative gains recognized in general corporate expenses | 1.4 |  |  |
Derivative gains incurred prior to fiscal 2017 |  |  | $ 2.8 |
Gains expected to be reclassified in fiscal 2017 |  |  | $ 4.5 |
Losses expected to be reclassified in fiscal 2018 and thereafter | $ 0.3 |  |  |
Number of public companies formed due to spinoff transaction | company |  |  |  | 2
Net sales | Wal-Mart Stores, Inc. and affiliates | Grocery and Snacks and Refrigerated and Frozen |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Concentration risk (as a percent) | 18.00% | 18.00% |  |
Net receivables | Wal-Mart Stores, Inc. and affiliates | Grocery and Snacks and Refrigerated and Frozen |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Concentration risk (as a percent) | 20.00% |  | 20.00% |

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