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PRE-TAX INCOME AND INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May. 31, 2015 | May. 25, 2014 | May. 26, 2013
Tax Credit Carryforward [Line Items] |  |  |
Income taxes paid, net of refunds | $ 301.3 | $ 253.6 | $ 249.0
Net deferred tax Assets, included in prepaid expenses and other current assets | 129.9 | 107.7 |
Net deferred tax liabilities, included in other noncurrent liabilities | 1,500.0 | 1,370.0 |
Gross unrecognized tax benefits | 73.7 | 84.9 |
Unrecognized liabilities for gross interest and penalties | 26.5 | 29.6 |
Tax positions for uncertainty about timing of deductibility | 8.0 | 8.2 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 3.1 | 1.3 | 1.2
Unrecognized tax benefits that would favorably impact effective tax rate | 43.2 | 50.8 |
Estimated decrease in gross unrecognized tax benefits, maximum | 8.0 |  |
Foreign net operating loss carryforwards | 60.9 |  |
Foreign net operating loss carryforwards (expiring between 2015 to 2035) | 37.0 |  |
Foreign net operating loss carryforwards with no expiration dates | 23.9 |  |
Operating Loss Carryforwards Federal (expiring between 2015 and 2024) | 17.7 |  |
Tax effected state net operating loss carryforwards included in net deferred tax liabilities | 42.6 |  |
State tax credits | 36.3 |  |
Change in valuation allowance | 1.8 | $ 1.5 | $ (1.1)
Undistributed earnings of foreign subsidiaries | $ 660.0 |  |
Minimum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Statutes of limitations in other major jurisdictions |  | 3 years |
Maximum |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Statutes of limitations in other major jurisdictions |  | 5 years |

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