Derivative Instruments And Hedging Activities (Effects Of Derivative Instruments In Fair Value Hedging Relationships) (Details) (Interest, Net [Member], Fair Value Hedging [Member], Interest Rate [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 26, 2012	Feb. 27, 2011	Feb. 26, 2012	Feb. 27, 2011
Interest, Net [Member] | Fair Value Hedging [Member] | Interest Rate [Member]
Amount of Gain (Loss) Recognized in Earnings on Derivatives	$ (0.3)	$ (0.5)	$ (1.9)	$ 0.4
Amount of Gain (Loss) Recognized in Earnings on Related Hedged Item	$ 0.3	$ 0.5	$ 1.9	$ (0.4)