Derivative Instruments And Hedging Activities (Notional Values Of Derivative Contracts Designated And Not Designated As Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	Aug. 24, 2014	May 25, 2014
Designated as Hedging Instruments | Commodities
Derivatives, Fair Value [Line Items]
Derivative contracts	$ 0	$ 0.9
Designated as Hedging Instruments | Foreign currency
Derivatives, Fair Value [Line Items]
Derivative contracts	0	0.3
Designated as Hedging Instruments | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative contracts	200.0	200.0
Designated as Hedging Instruments | Equity forwards
Derivatives, Fair Value [Line Items]
Derivative contracts	18.0	20.6
Not Designated as Hedging Instruments | Equity forwards
Derivatives, Fair Value [Line Items]
Derivative contracts	$ 45.1	$ 47.4