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QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) Narrative (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended
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Jan. 29, 2012 | Oct. 30, 2011 | Jul. 31, 2011 | May 01, 2011 | Jan. 30, 2011 | Oct. 31, 2010 | Apr. 29, 2012 | May 01, 2011 | May 02, 2010 | Jan. 29, 2012 Missouri Hog Farms [Member] | Oct. 30, 2011 Missouri Hog Farms [Member] | Jul. 31, 2011 Missouri Hog Farms [Member] | Apr. 29, 2012 Portsmouth, Virginia Plant [Member] | Jan. 29, 2012 Portsmouth, Virginia Plant [Member] | Oct. 30, 2011 Portsmouth, Virginia Plant [Member] | Apr. 29, 2012 Hog Production Cost Savings Initiative [Member] | Jan. 29, 2012 Hog Production Cost Savings Initiative [Member] | Oct. 30, 2011 Hog Production Cost Savings Initiative [Member] | Jul. 31, 2011 Hog Production Cost Savings Initiative [Member] | Jan. 29, 2012 Campofrio Food Group [Member] | Apr. 29, 2012 Campofrio Food Group [Member] | May 01, 2011 Hog Production Segment [Member] | Jan. 30, 2011 Hog Production Segment [Member] | Apr. 29, 2012 Missouri Litigation [Member] Nuisance Litigation [Member] | Jul. 31, 2011 Missouri Litigation [Member] Nuisance Litigation [Member] | Jan. 30, 2011 Missouri Litigation [Member] Nuisance Litigation [Member] | Apr. 29, 2012 Missouri Litigation [Member] Nuisance Litigation [Member] | May 01, 2011 Missouri Litigation [Member] Nuisance Litigation [Member] | Jan. 30, 2011 Patrick Cudahy, Inc. Fire Insurance Settlement [Member] | May 01, 2011 Patrick Cudahy, Inc. Fire Insurance Settlement [Member]
Loss on debt extinguishment | $ 4.6 | $ 6.4 | $ 1.2 | $ 71.1 | $ 14.1 | $ 7.3 | $ 12.2 | $ 92.5 | $ 11.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on fire insurance recovery |  |  |  |  |  |  | 0 | 120.6 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120.6 | 120.6
Gain (Loss) Related to Litigation Settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19.1 |  | 19.1 |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (16.8) | 39.0 |  | 22.2 |  |  |
Accelerated Depreciation |  |  |  |  |  |  |  |  |  | 0.7 | 3.2 | 4.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  |  |  |  | 1.2 | 1.7 | 1.8 | 1.3 | 10.9 | 15.3 | 0.5 |  |  |  |  |  |  |  |  |  |  |
Professional Fees, Terminated Potential Acquisition |  | 0.7 | 5.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entity Portion of Equity Method Investment Restructuring Charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 38.7 | 38.7 |  |  |  |  |  |  |  |  |
(Gain) loss on sale of property, plant and equipment |  |  |  |  |  |  | $ (25.2) | $ (53.0) | $ 22.7 |  |  |  |  |  |  |  |  |  |  |  |  | $ (13.6) | $ (5.1) |  |  |  |  |  |  |

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- Definition The net proceeds or assets obtained in excess of (less than) the net carrying amount of assets recorded, or assets distributed and liabilities assumed less than (in excess of) estimated litigation liability extinguished, in settlement of a litigation matter. Represents (for other than an insurance entity in its normal claims settlement process), the amount of income (expense) recognized in the period to settle pending or threatened litigation and insurance claims. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -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. + Details
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