Derivative Instruments And Hedging Activities (Effects Of Derivative Instruments In Fair Value Hedging Relationships) (Details) (Interest, Net, Fair Value Hedging, Interest Rate, USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 26, 2012	Aug. 28, 2011
Interest, Net | Fair Value Hedging | Interest Rate
Amount of Gain (Loss) Recognized in Earnings on Derivatives	$ 0.5	$ (0.7)
Amount of Gain (Loss) Recognized in Earnings on Related Hedged Item	$ (0.5)	$ 0.7