Derivative Instruments And Hedging Activities (Notional Values Of Derivative Contracts Designated And Not Designated As Hedging Instruments) (Details) (USD $) In Millions	Aug. 28, 2011	May 29, 2011
Designated as Hedging Instrument [Member] | Other Commodities [Member]
Derivative contracts designated as hedging instruments	$ 12.5	$ 0
Designated as Hedging Instrument [Member] | Equity Forwards [Member]
Derivative contracts designated as hedging instruments	16.3	18.0
Natural Gas [Member] | Designated as Hedging Instrument [Member]
Derivative contracts designated as hedging instruments	1.0	3.8
Foreign Currency [Member] | Designated as Hedging Instrument [Member]
Derivative contracts designated as hedging instruments	15.6	20.7
Interest Rate [Member] | Designated as Hedging Instrument [Member]
Derivative contracts designated as hedging instruments	300.0	150.0
Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member]
Derivative contracts designated as hedging instruments	450.0	350.0
Not Designated as Hedging Instrument [Member] | Natural Gas [Member]
Derivative contracts designated as hedging instruments	7.7	7.7
Not Designated as Hedging Instrument [Member] | Other Commodities [Member]
Derivative contracts designated as hedging instruments	14.3	12.7
Not Designated as Hedging Instrument [Member] | Equity Forwards [Member]
Derivative contracts designated as hedging instruments	$ 21.4	$ 24.0