Derivative Instruments And Hedging Activities (Fair Value Of Derivative Contracts Designated And Not Designated As Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	Nov. 25, 2012		May 27, 2012
Derivative [Line Items]
Derivative contracts, Derivative Assets	$ 10.4		$ 6.8
Derivative contracts, Derivative Liabilities	(0.2)		(45.3)
Designated as Hedging Instruments
Derivative [Line Items]
Derivative contracts, Derivative Assets	7.0		4.9
Derivative contracts, Derivative Liabilities	(0.2)		(45.3)
Designated as Hedging Instruments | Commodity contracts
Derivative [Line Items]
Derivative contracts, Derivative Assets	0.5	[1]	0.3	[1]
Derivative contracts, Derivative Liabilities	0	[1]	(0.4)	[1]
Designated as Hedging Instruments | Equity Forwards
Derivative [Line Items]
Derivative contracts, Derivative Assets	2.1	[1]	0.9	[1]
Derivative contracts, Derivative Liabilities	0	[1]	0	[1]
Designated as Hedging Instruments | Interest rate
Derivative [Line Items]
Derivative contracts, Derivative Assets	4.4	[1]	3.2	[1]
Derivative contracts, Derivative Liabilities	0	[1]	(44.9)	[1]
Designated as Hedging Instruments | Foreign currency
Derivative [Line Items]
Derivative contracts, Derivative Assets	0	[1]	0.5	[1]
Derivative contracts, Derivative Liabilities	(0.2)	[1]	0	[1]
Not Designated as Hedging Instruments
Derivative [Line Items]
Derivative contracts, Derivative Assets	3.4		1.9
Derivative contracts, Derivative Liabilities	0		0
Not Designated as Hedging Instruments | Equity Forwards
Derivative [Line Items]
Derivative contracts, Derivative Assets	3.4	[1]	1.9	[1]
Derivative contracts, Derivative Liabilities	$ 0	[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.