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DIVESTITURES AND ASSETS HELD FOR SALE - Private Brands Operations (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2020 | Feb. 23, 2020 | Nov. 24, 2019 | Aug. 25, 2019 | May 26, 2019 | Feb. 24, 2019 | Nov. 25, 2018 | Aug. 26, 2018 | May 31, 2020 | May 26, 2019 | May 27, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income (loss) from discontinued operations, net of tax | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 | $ (1.9) | $ 0.0 | $ 0.0 | $ (1.9) | $ 14.3
Private Brands | Discontinued operations |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income (loss) from discontinued operations, net of tax |  |  |  |  |  |  |  |  |  | $ 0.9 | (0.1)
Transition services income for performance of services |  |  |  |  |  |  |  |  |  |  | $ 2.2

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