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PRE-TAX INCOME AND INCOME TAXES - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 26, 2019 | May 27, 2018 | May 28, 2017
Tax Credit Carryforward [Line Items] |  |  |
Income taxes paid, net of refunds | $ 133.8 | $ 164.1 | $ 213.0
Liabilities for gross unrecognized tax benefits | 44.1 | 32.5 |
Related liability for gross interest and penalties | 11.7 | 7.7 |
Tax positions for which deductibility is high but timing is uncertain | 1.0 |  |
Interest and penalties recognized | 1.2 | 1.6 | (0.3)
Net amount of unrecognized tax benefits that, if recognized, would favorably impact effective tax rate | 37.3 | 27.8 |
Estimated decrease in gross unrecognized tax benefits | 20.7 |  |
Foreign net operating loss carryforwards | 30.1 |  |
Foreign net operating loss carryforwards (expiring between fiscal 2020 and 2040) | 15.0 |  |
Foreign net operating loss carryforwards with no expiration dates | 15.1 |  |
Federal net operating loss carryforwards | 146.2 |  |
Tax effected state net operating loss carryforwards | 49.0 |  |
Foreign tax credits (expiring between fiscal 2025 and 2029) | 7.6 |  |
State tax credits | 11.5 |  |
Net decrease in valuation allowance | 1.5 | $ 273.8 | $ 420.1
Net change in deferred taxes on cumulative earnings | $ 5.9 |  |
Minimum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Statutes of limitations, term | 3 years |  |
Maximum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Statutes of limitations, term | 5 years |  |
United States | Capital loss carryforwards |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Capital loss carryforwards related to the private brands divestiture | $ 2,600.0 |  |
State | Capital loss carryforwards |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Capital loss carryforwards related to the private brands divestiture | 169.0 |  |
Discontinued operations |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Estimated decrease in gross unrecognized tax benefits | $ 6.7 |  |

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