PRE-TAX INCOME AND INCOME TAXES (Income Taxes Computed using U.S. Federal Statutory Rates) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
May 26, 2013	May 27, 2012	May 29, 2011
Income Tax Disclosure [Abstract]
Computed U.S. Federal income taxes	$ 415.2	$ 234.5	$ 438.3
State income taxes, net of U.S. Federal tax impact	20.1	12.0	20.0
Tax credits and domestic manufacturing deduction	(22.5)	(20.5)	(27.5)
Foreign tax credits and related items, net	(1.4)	(0.6)	(0.2)
IRS audit adjustments and settlements	0.5	0.8	0.5
Non-taxable gain from investment in ATFL	0	(20.5)	0
Change in valuation allowance	1.1	(7.1)	2.1
Other	(12.8)	(2.8)	(11.6)
Income tax expense (benefit) continuing operations, total	$ 400.2	$ 195.8	$ 421.6

Income tax reconciliation tax credits and domestic manufacturing deduction.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to all other items not otherwise listed in the existing taxonomy.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to foreign tax credits generated or utilized under enacted tax laws during the period.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to income that is exempt from income taxes under enacted tax laws.

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to all income tax settlements for the period.

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