Leases (Analysis Of Rent Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	May 27, 2018	May 28, 2017	May 29, 2016
Operating Leased Assets [Line Items]
Total rent expense	$ 371.0	$ 332.0	$ 265.6
Rent expense, discontinued operations	0.1	0.1	0.0
Rent expense, minimum, discontinued operations	0.1	0.1	0.0
Restaurant minimum rent
Operating Leased Assets [Line Items]
Total rent expense	321.8	286.8	233.6
Restaurant rent averaging expense
Operating Leased Assets [Line Items]
Total rent expense	30.2	26.0	15.9
Restaurant percentage rent
Operating Leased Assets [Line Items]
Total rent expense	7.2	7.9	8.0
Other
Operating Leased Assets [Line Items]
Total rent expense	$ 11.8	$ 11.3	$ 8.1