INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Nov. 23, 2014	Nov. 24, 2013	Nov. 23, 2014	Nov. 24, 2013	May 25, 2014
Income Tax Disclosure [Abstract]
Income tax expense	$ 84.0us-gaap_IncomeTaxExpenseBenefit	$ 106.0us-gaap_IncomeTaxExpenseBenefit	$ 126.5us-gaap_IncomeTaxExpenseBenefit	$ 134.9us-gaap_IncomeTaxExpenseBenefit
Effective tax rate	76.00%	34.00%	48.00%	28.00%
Reduction in income tax expense due to new position on tax credit	8.0
Gross unrecognized tax benefits	76.0us-gaap_UnrecognizedTaxBenefits		76.0us-gaap_UnrecognizedTaxBenefits		84.9us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits with uncertainty of timing of deductibility	8.2		8.2		8.2
Unrecognized liabilities for gross interest and penalties	27.1		27.1		29.6
Unrecognized tax benefits that would favorably impact effective tax rate	44.7		44.7		50.8
Gross unrecognized tax benefits, actual	$ 19.6		$ 19.6

Unrecognized tax benefits with uncertainty of timing of deductibility.

No definition available.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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- Definition

Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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