Pre- Tax Income and Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 27, 2012	May 29, 2011	May 30, 2010
Pre Tax Income and Income Taxes (Textual) [Abstract]
Income taxes paid, net of refunds	$ 191.5	$ 172.3	$ 290.5
Net deferred tax Assets, included in prepaid expenses and other current assets	106.3	93.4
Net deferred tax liabilities, included in other noncurrent liabilities	657.5	725.9
Gross unrecognized tax benefits	48.7	56.5
Unrecognized liabilities for gross interest and penalties	14.0	14.7
Unrecognized tax benefits with uncertainty of timing of deductibility	3.1
Unrecognized tax benefits that would favorably impact effective tax rate	30.3	35.7
Statutes of limitations in other major jurisdictions	3 to 5 years
Estimated decrease in gross unrecognized tax benefits, maximum	9
Foreign net operating loss carryforwards	62.7
Foreign net operating loss carryforwards (expiring between 2013 to 2033)	40.9
Foreign net operating loss carryforwards with no expiration dates	21.7
State tax credits	16.7
Impact on income tax expense related to changes to valuation allowance	7.1
Charges related to change in valuation allowance		2.1	4.6
Undistributed earnings of foreign subsidiaries	400
Retrospective effect on financials with increase in noncurrent liabilities and decrease in retained earnings	$ 31.8