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DIVESTITURES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 28, 2021 | Nov. 29, 2020 | Aug. 30, 2020 | Feb. 23, 2020 | Nov. 24, 2019 | Aug. 25, 2019 | Nov. 24, 2019 | Feb. 28, 2021 | Feb. 23, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Net cash proceeds from sales of business |  |  |  |  |  |  |  | $ 112.2 | $ 191.4
Gain from sales of businesses |  |  |  |  |  |  |  | 55.0 | (2.2)
Asset impairment charges |  |  |  |  |  |  |  | $ 4.2 | $ 113.5
Refrigerated & Frozen |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  |  | $ 3.8 | $ 27.6 |  |  |  |
Grocery & Snacks |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  | $ 3.0 |  |  |  | $ 54.4 |  |
Peter Pan Peanut Butter Business |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Net cash proceeds from sales of business | $ 103.4 |  |  |  |  |  |  |  |
Peter Pan Peanut Butter Business | Selling, general and administrative expenses |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Gain from sales of businesses | $ 49.7 |  |  |  |  |  |  |  |
H.K. Anderson Business |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Net cash proceeds from sales of business |  | $ 8.7 |  |  |  |  |  |  |
H.K. Anderson Business | Selling, general and administrative expenses |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Gain from sales of businesses |  | $ 5.3 |  |  |  |  |  |  |
Lender's Bagel Business |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Net cash proceeds from sales of business |  |  |  | 33.3 |  |  |  |  |
Lender's Bagel Business | Selling, general and administrative expenses | Refrigerated & Frozen |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  |  |  | 27.6 |  |  |  |
Peanut Butter Manufacturing Facility |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Net cash proceeds from sales of business |  |  |  | $ 24.8 |  |  |  |  |
Peanut Butter Manufacturing Facility | Selling, general and administrative expenses |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  |  |  |  |  | $ 23.0 |  |
DSD Snacks Business | Grocery & Snacks |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Net cash proceeds from sales of business |  |  |  |  | $ 137.5 |  |  |  |
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 |  |  |

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