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DERIVATIVE FINANCIAL INSTRUMENTS Notional Amounts (Details) (USD $)
 6 Months Ended
Oct. 30, 2011
pounds
Cash Flow Hedging [Member] | Lean Hogs, in Pounds [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 469,720,000
Maximum Notional Volumes, Mass 960,360,000
Cash Flow Hedging [Member] | Corn, in Bushels [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 26,705,000
Maximum Notional Volumes, Other Units 42,375,000
Cash Flow Hedging [Member] | Soybean Meal, in Tons [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 223,700
Maximum Notional Volumes, Mass 667,700
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Monetary 0
Maximum Notional Volumes, Monetary 200,000,000
Cash Flow Hedging [Member] | Foreign Exchange Contract [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Monetary 23,496,793 [1]
Maximum Notional Volumes, Monetary 48,046,395 [1]
Fair Value Hedging [Member] | Lean Hogs, in Pounds [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 0
Maximum Notional Volumes, Mass 221,680,000
Fair Value Hedging [Member] | Corn, in Bushels [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 2,245,000
Maximum Notional Volumes, Other Units 6,505,000
Not Designated as Hedging Instrument [Member] | Lean Hogs, in Pounds [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 4,640,000
Maximum Notional Volumes, Mass 334,320,000
Not Designated as Hedging Instrument [Member] | Corn, in Bushels [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 8,485,000
Maximum Notional Volumes, Other Units 21,685,000
Not Designated as Hedging Instrument [Member] | Soybean Meal, in Tons [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 0
Maximum Notional Volumes, Mass 207,300
Not Designated as Hedging Instrument [Member] | Soybeans, in Bushels [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 210,000
Maximum Notional Volumes, Other Units 320,000
Not Designated as Hedging Instrument [Member] | Wheat, in Bushels [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 0
Maximum Notional Volumes, Other Units 1,620,000
Not Designated as Hedging Instrument [Member] | Live Cattle, in Pounds [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 0
Maximum Notional Volumes, Mass 120,000
Not Designated as Hedging Instrument [Member] | Natural Gas, in Million BTU [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 1,750,000
Maximum Notional Volumes, Other Units 2,400,000
Not Designated as Hedging Instrument [Member] | Heating Oil [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 0
Maximum Notional Volumes, Other Units 1,008,000
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
  
Derivative [Line Items]  
Minimum Notional Volumes, Monetary 38,820,846 [1]
Maximum Notional Volumes, Monetary 105,324,993 [1]
[1] Amounts represent the U.S. dollar equivalent of various foreign currency contracts.