Income Taxes (Tax Effects On Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	May 26, 2019	May 27, 2018
Income Tax Disclosure [Abstract]
Accrued liabilities	$ 69.2	$ 66.6
Compensation and employee benefits	119.9	99.8
Deferred rent and interest income	91.1	81.1
Net operating loss, credit and charitable contribution carryforwards	75.3	71.9
Other	5.9	5.3
Gross deferred tax assets	361.4	324.7
Valuation allowance	(29.7)	(26.6)
Deferred tax assets, net of valuation allowance	331.7	298.1
Trademarks and other acquisition related intangibles	(211.5)	(201.8)
Buildings and equipment	(247.7)	(176.9)
Capitalized software and other assets	(24.6)	(24.4)
Other	(4.8)	(9.0)
Gross deferred tax liabilities	(488.6)	(412.1)
Net deferred tax liabilities	$ (156.9)	$ (114.0)