Leases (Analysis Of Rent Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	May 26, 2019	May 27, 2018	May 28, 2017
Operating Leased Assets [Line Items]
Total rent expense	$ 393.5	$ 379.8	$ 340.9
Rent expense, minimum, discontinued operations	0.2	0.1	0.1
Restaurant minimum rent
Operating Leased Assets [Line Items]
Total rent expense	338.3	321.8	286.8
Restaurant rent averaging expense
Operating Leased Assets [Line Items]
Total rent expense	27.6	30.2	26.0
Restaurant percentage rent
Operating Leased Assets [Line Items]
Total rent expense	7.3	7.2	7.9
Other
Operating Leased Assets [Line Items]
Total rent expense	$ 20.3	$ 20.6	$ 20.2