Leases (Analysis Of Rent Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	May 26, 2019	May 27, 2018
Operating Leased Assets [Line Items]
Total rent expense	$ 393.5	$ 379.8
Restaurant minimum rent
Operating Leased Assets [Line Items]
Total rent expense	338.3	321.8
Restaurant rent averaging expense
Operating Leased Assets [Line Items]
Total rent expense	27.6	30.2
Restaurant percentage rent
Operating Leased Assets [Line Items]
Total rent expense	7.3	7.2
Other
Operating Leased Assets [Line Items]
Total rent expense	$ 20.3	$ 20.6