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DERIVATIVE FINANCIAL INSTRUMENTS Notional Amounts (Details) (USD $) | 6 Months Ended
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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.

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