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DERIVATIVE FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2016 | Feb. 22, 2015 | May 29, 2016 | May 31, 2015 | May 25, 2014
Derivative Financial Instruments [Line Items] |  |  |  |  |
Hedge for anticipated consumption of commodity inputs, period |  |  | 36 months |  |
Selling, general and administrative expenses |  |  | $ 2,209.4 | $ 1,545.3 | $ 1,778.9
Unamortized amount of deferred gain |  |  | 6.6 |  |
Unrealized loss on fair value hedge |  |  | 5.8 | 6.8 |
Derivative Asset, Collateral, Obligation to Return Cash, Offset |  |  | 0.3 |  |
Amounts representing a right to reclaim cash collateral included in prepaid expenses and other current assets |  |  |  | 5.9 |
Derivative Asset, Fair Value, Gross Liability |  |  | 1.8 | 7.3 |
Derivative Liability, Fair Value, Gross Asset |  |  | 2.1 | 13.2 |
Maximum amount of loss due to the credit risk of the counterparties |  |  | 21.4 |  |
Open commodity purchase contracts |  |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |  |
Notional value of open commodity contracts |  |  | 107.5 | 600.0 |
Open commodity sales contracts |  |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |  |
Notional value of open commodity contracts |  |  | 55.1 | 393.1 |
Interest rate contracts |  |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |  |
Selling, general and administrative expenses |  |  | 3.1 | 2.3 |
Notional value of open commodity contracts |  |  |  | 500.0 |
Derivative, Cash Received on Hedge |  | $ 21.9 |  |  |
Derivative Instrument, Accrued Interest Proceeds from Discontinuation |  | 3.9 |  |  |
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion |  | 12.6 |  |  |
Gain on derivative portion written off related to tender offers | $ 3.0 |  |  |  |
Foreign exchange contracts |  |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |  |
Notional value of open commodity contracts |  |  | 120.0 | 108.6 |
Selling, general and administrative expense | Interest rate contracts |  |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |  |
Unrealized gain on fair value of interest rate swap contracts |  | $ 5.4 | $ 8.9 | 9.1 |
Cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |  |
Selling, general and administrative expenses |  |  |  | $ 54.9 |

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- Definition Derivative, Gain on Derivative, Written Off Due to Tender Offer + References No definition available. + Details
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- Definition Hedge for Anticipated Consumption of Commodity Inputs, Period + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5708775-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Credit Derivative -URI http://asc.fasb.org/extlink&oid=6854095 + Details
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