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DERIVATIVE FINANCIAL INSTRUMENTS Notional Amounts (Details) (USD $)
 6 Months Ended
Oct. 27, 2013
bu
Cash Flow Hedging | Corn, in Bushels
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 48,440,000
Maximum Notional Volumes, Other Units 86,625,000
Cash Flow Hedging | Soybean Meal, in Tons
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 321,414
Maximum Notional Volumes, Mass 581,656
Cash Flow Hedging | Lean Hogs, in Pounds
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 86,600,000
Maximum Notional Volumes, Mass 777,360,000
Cash Flow Hedging | Foreign Exchange Contract
  
Derivative [Line Items]  
Minimum Notional Volumes, Monetary $ 22,189,407 [1]
Maximum Notional Volumes, Monetary 48,005,327 [1]
Fair Value Hedging | Corn, in Bushels
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 0
Maximum Notional Volumes, Other Units 4,130,000
Not Designated as Hedging Instrument | Corn, in Bushels
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 25,000
Maximum Notional Volumes, Other Units 10,115,000
Not Designated as Hedging Instrument | Soybean Meal, in Tons
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 0
Maximum Notional Volumes, Mass 34,145
Not Designated as Hedging Instrument | Lean Hogs, in Pounds
  
Derivative [Line Items]  
Minimum Notional Volumes, Mass 3,280,000
Maximum Notional Volumes, Mass 82,400,000
Not Designated as Hedging Instrument | Soybeans, in Bushels
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 0
Maximum Notional Volumes, Other Units 1,220,000
Not Designated as Hedging Instrument | Wheat, in Bushels
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 0
Maximum Notional Volumes, Other Units 750,000
Not Designated as Hedging Instrument | Natural Gas, in Million BTU
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 8,470,000
Maximum Notional Volumes, Other Units 10,870,000
Not Designated as Hedging Instrument | Diesel, in Gallons
  
Derivative [Line Items]  
Minimum Notional Volumes, Other Units 1,764,000
Maximum Notional Volumes, Other Units 3,360,000
Not Designated as Hedging Instrument | Foreign Exchange Contract
  
Derivative [Line Items]  
Minimum Notional Volumes, Monetary 22,987,556 [1]
Maximum Notional Volumes, Monetary $ 60,968,251 [1]
[1] (1) Amounts represent the U.S. dollar equivalent of various foreign currency contracts.