Derivative Instruments And Hedging Activities (Fair Value Of Derivative Contracts Designated And Not Designated As Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	Aug. 26, 2012		May 27, 2012
Derivative contracts, Derivative Assets	$ 4.5		$ 6.8
Derivative contracts, Derivative Liabilities	(51.9)		(45.3)
Designated as Hedging Instrument
Derivative contracts, Derivative Assets	4.5		4.9
Derivative contracts, Derivative Liabilities	(51.2)		(45.3)
Designated as Hedging Instrument | Commodity Contracts
Derivative contracts, Derivative Assets	0.8	[1]	0.3	[1]
Derivative contracts, Derivative Liabilities	0	[1]	(0.4)	[1]
Designated as Hedging Instrument | Equity Forwards
Derivative contracts, Derivative Assets	0	[1]	0.9	[1]
Derivative contracts, Derivative Liabilities	(0.4)	[1]	0	[1]
Designated as Hedging Instrument | Interest Rate
Derivative contracts, Derivative Assets	3.7	[1]	3.2	[1]
Derivative contracts, Derivative Liabilities	(50.6)	[1]	(44.9)	[1]
Designated as Hedging Instrument | Foreign Currency
Derivative contracts, Derivative Assets	0	[1]	0.5	[1]
Derivative contracts, Derivative Liabilities	(0.2)	[1]	0	[1]
Not Designated as Hedging Instrument
Derivative contracts, Derivative Assets	0		1.9
Derivative contracts, Derivative Liabilities	(0.7)		0
Not Designated as Hedging Instrument | Equity Forwards
Derivative contracts, Derivative Assets	0	[1]	1.9	[1]
Derivative contracts, Derivative Liabilities	$ (0.7)	[1]	$ 0	[1]

[1] Derivative assets and liabilities are included in receivables, net, prepaid expenses and other current assets and other current liabilities, as applicable, on our consolidated balance sheets.