Leases (Analysis Of Rent Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	May 28, 2017	May 29, 2016	May 31, 2015
Operating Leased Assets [Line Items]
Total rent expense	$ 332.0	$ 265.6	$ 194.9
Rent expense, discontinued operations	0.1	0.0	6.2
Rent expense, minimum, discontinued operations	0.1	0.0	5.8
Restaurant minimum rent
Operating Leased Assets [Line Items]
Total rent expense	286.8	233.6	167.0
Restaurant rent averaging expense
Operating Leased Assets [Line Items]
Total rent expense	26.0	15.9	16.7
Restaurant percentage rent
Operating Leased Assets [Line Items]
Total rent expense	7.9	8.0	7.7
Other
Operating Leased Assets [Line Items]
Total rent expense	$ 11.3	$ 8.1	$ 3.5