Income Taxes (Tax Effects On Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	May 27, 2018	May 28, 2017
Income Tax Disclosure [Abstract]
Accrued liabilities	$ 66.6	$ 137.1
Compensation and employee benefits	99.8	174.6
Deferred rent and interest income	81.1	110.3
Net operating loss, credit and charitable contribution carryforwards	71.9	78.0
Other	5.3	6.9
Gross deferred tax assets	324.7	506.9
Valuation allowance	(26.6)	(17.0)
Deferred tax assets, net of valuation allowance	298.1	489.9
Trademarks and other acquisition related intangibles	(201.8)	(310.7)
Buildings and equipment	(176.9)	(275.4)
Capitalized software and other assets	(24.4)	(38.1)
Other	(9.0)	(11.3)
Gross deferred tax liabilities	(412.1)	(635.5)
Net deferred tax liabilities	$ (114.0)	$ (145.6)