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CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jul. 31, 2011 Missouri Litigation [Member]	Oct. 30, 2011 Homan Farm Case [Member] plaintiffs	Oct. 30, 2011 Scott Colby Farm Case [Member] plaintiffs
Loss Contingencies [Line Items]
Loss Contingency, Plaintiffs, Number		15	28
Loss Contingency, Damages Sought, Value		$ 11.1
Loss Contingency Accrual, Carrying Value, Period Increase (Decrease)	$ 39.0

X

- Definition

Loss Contingency, Plaintiffs, Number

+ References

No definition available.

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X

- Definition

The increase (decrease) in the period in loss contingency liabilities.

+ References

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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