DERIVATIVES FINANCIAL INSTRUMENTS Fair Value (Details) (USD $) In Millions, unless otherwise specified	Apr. 29, 2012	May 01, 2011
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 79.0	$ 110.6
Derivative Liability, Fair Value, Gross Liability	30.7	51.3
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	60.1	69.3
Derivative Liability, Fair Value, Gross Liability	9.6	36.6
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	18.9	41.3
Derivative Liability, Fair Value, Gross Liability	21.1	14.7
Grain Contracts [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	35.3	46.2
Derivative Liability, Fair Value, Gross Liability	9.6	4.8
Grain Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	9.1	38.3
Derivative Liability, Fair Value, Gross Liability	1.0	4.7
Livestock Contracts [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	22.9	22.9
Derivative Liability, Fair Value, Gross Liability	0	29.5
Livestock Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	7.4	1.7
Derivative Liability, Fair Value, Gross Liability	7.2	8.0
Energy Contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	1.0
Derivative Liability, Fair Value, Gross Liability	12.2	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	1.9	0.2
Derivative Liability, Fair Value, Gross Liability	0	0
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	2.4	0.3
Derivative Liability, Fair Value, Gross Liability	$ 0.7	$ 1.9