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DERIVATIVE FINANCIAL INSTRUMENTS Narrative (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 30, 2011 | Jul. 31, 2011 | Oct. 31, 2010 | Oct. 30, 2011 | Oct. 31, 2010
Derivative [Line Items] |  |  |  |  |
Derivative, Collateral, Right to Reclaim Cash | $ 36.2 |  |  | $ 36.2 |
Derivative, Collateral, Obligation to Return Cash | 3.7 |  |  | 3.7 |
Credit Exposure on Non-Exchange Traded Derivative Contracts, Excluding the Effects of Netting Arrangements | 22.2 |  |  | 22.2 |
Credit Exposure on Non-Exhange Traded Derivative Contracts, Including the Effects of Netting Arrangements | 12.6 |  |  | 12.6 |
Gain (Loss) Recognized in Income as a Result of Cash Flow Hedge De-Designation |  | 12.0 |  |  |
Deferred Net Gain (Losses) in Accumulated Other Comprehensive Income (Loss) | 9.4 |  |  | 9.4 |
Tax On Deferred Gains (Losses) in Accumulated Other Comprehensive Income (Loss) | (7.1) |  |  | (7.1) |
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months |  |  |  | 11.8 |
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months, Net of Tax |  |  |  | 7.2 |
Gains (Losses) Recognized on Closed Commodity Derivative Contracts As the Underlying Cash Transactions Affected Earnings | (1.2) |  | 2.3 | 4.7 | (19.8)
Gains (Losses) on Derivative Contracts Representing the Differences Between Spot and Futures Prices Which are Excluded from the Assessment of Effectiveness and Recorded Directly Into Earnings |  |  | $ (6.3) | $ 5.7 | $ 2.4

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6887037&loc=d3e80748-113994 + Details
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