Derivative Instruments And Hedging Activities (Effects Of Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	May 28, 2017	May 29, 2016	May 31, 2015
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Earnings	$ 14.2	$ 11.4	$ 13.2
Derivative contracts designated as hedging instruments: | Restaurant labor expenses
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Earnings	5.3	3.9	4.0
Derivative contracts designated as hedging instruments: | General and administrative expenses
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Earnings	$ 8.9	$ 7.5	$ 9.2