DERIVATIVE FINANCIAL INSTRUMENTS Fair Value (Details) (USD $) In Millions, unless otherwise specified	Oct. 30, 2011	May 01, 2011
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 46.1	$ 110.6
Derivative Liability, Fair Value, Gross Liability	24.1	51.3
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	18.9	69.3
Derivative Liability, Fair Value, Gross Liability	13.3	36.6
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	27.2	41.3
Derivative Liability, Fair Value, Gross Liability	10.8	14.7
Grain Contracts [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	13.6	46.2
Derivative Liability, Fair Value, Gross Liability	5.7	4.8
Grain Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	18.3	38.3
Derivative Liability, Fair Value, Gross Liability	4.5	4.7
Livestock Contracts [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	5.3	22.9
Derivative Liability, Fair Value, Gross Liability	4.1	29.5
Livestock Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	3.3	1.7
Derivative Liability, Fair Value, Gross Liability	2.9	8.0
Energy Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0.5	1.0
Derivative Liability, Fair Value, Gross Liability	2.5	0.1
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Gross Liability	0	2.3
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0.2
Derivative Liability, Fair Value, Gross Liability	3.5	0
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	5.1	0.3
Derivative Liability, Fair Value, Gross Liability	$ 0.9	$ 1.9