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DIVESTITURES AND ASSETS HELD FOR SALE - DSD Snacks Business (Narrative) (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Sep. 11, 2019 | Aug. 25, 2019 | Aug. 26, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Proceeds from divestiture |  | $ 0.0 | $ 30.3
Asset impairment charges |  | 67.0 | $ 0.5
DSD Snacks Business | Selling, general and administrative expenses |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Asset impairment charges |  | 31.4 |
Grocery & Snacks |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Asset impairment charges |  | 43.3 |
Grocery & Snacks | Selling, general and administrative expenses |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Asset impairment charges |  | $ 11.9 |
Subsequent Event | Grocery & Snacks | DSD Snacks Business |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Proceeds from divestiture | $ 140.0 |  |

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