Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Aug. 28, 2011	Aug. 29, 2010	May 29, 2011
Income Taxes (Textuals) [Abstract]
Income tax expense from continuing operations	$ 43.6	$ 66.9
Effective tax rate from continuing operations	34.00%	32.00%
Gross unrecognized tax benefits	53.4		56.5
Unrecognized tax benefits with uncertainty of timing of deductibility	3.4		3.3
Unrecognized liabilities for gross interest and penalties	15.2		14.7
Unrecognized tax benefits that would favorably impact effective tax rate	33.8		35.7
Estimated future gross unrecognized tax benefits	7
Estimated decrease in gross unrecognized tax benefits, maximum	$ 2

Income taxes.

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Unrecognized tax benefits with uncertainty of timing of deductibility.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

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The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

+ References

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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

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