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DISPOSAL OF LONG-LIVED ASSETS	3 Months Ended
	Jul. 31, 2011
Impairment or Disposal of Tangible Assets Disclosure [Abstract]
DISPOSAL OF LONG-LIVED ASSETS	DISPOSAL OF LONG-LIVED ASSETS In the first half of fiscal 2011, we began reducing the hog population on certain of our farms in Missouri in order to comply with an amended consent decree. The amended consent decree allows us to return the farms to full capacity upon the installation of an approved "next generation" technology that would reduce the level of odor produced by the farms. The reduced hog raising capacity at these farms is being replaced with third party contract farmers in Iowa. In the first quarter of fiscal 2011, in connection with the anticipated reduction in finishing capacity, we performed an impairment analysis of these hog farms and determined that the book value of the assets was recoverable and thus, no impairment existed. Based on the favorable hog raising performance experienced with these third party contract farmers and the amount of capital required to install "next generation" technology at our Missouri farms, we made the decision in the first quarter of fiscal 2012 to permanently idle certain of the assets on these farms. Depreciation estimates have been revised to reflect the shortened useful lives of the assets. As a result, we recognized accelerated depreciation charges of $4.3 million in cost of sales in the first quarter of fiscal 2012. We also expect to recognize accelerated depreciation charges of $3.2 million and $0.7 million in the second and third quarters of fiscal 2012, respectively.

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- Definition

Disclosure of long-lived assets to be held and used by an entity or disposed, which may include a description of the impaired long-lived asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported. For each long-lived asset to be disposed of or abandoned, a company may disclose a description of the asset to be disposed of or abandoned and the related circumstances, including the manner and expected timing of disposition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section CC
-Subsection 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.CC.3)
-URI http://asc.fasb.org/extlink&oid=6391449&loc=d3e125687-122742

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