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DERIVATIVE FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Aug. 30, 2015 | Aug. 24, 2014 | Feb. 24, 2013 | May. 31, 2015
Derivative Financial Instruments [Line Items] |  |  |  |
Hedge for anticipated consumption of commodity inputs, period | 36 months |  |  |
Unamortized amounts of deferred gain (loss) | $ (359.8) |  |  | $ (329.5)
Gain on change of fair value of senior long-term debt |  | $ 2.5 |  |
Amounts representing a right to reclaim cash collateral included in prepaid expenses and other current assets | 12.9 |  |  | 5.9
Derivative asset prior to offsetting to total derivative | 14.0 |  |  | 7.3
Derivative liability prior to offsetting to total derivative | 26.9 |  |  | 13.2
Maximum amount of loss due to the credit risk of the counterparties | 22.6 |  |  |
Open commodity purchase contracts |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Notional value of open commodity contracts | 446.9 |  |  | 554.9
Open commodity sales contracts |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Notional value of open commodity contracts | 298.0 |  |  | 393.1
Selling, general and administrative expense |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Reduction of net interest expense due to impact of interest rate swap contracts |  | 0.3 |  |
Interest rate contracts |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Loss on change in fair value of interest rate swap contracts |  | $ 2.2 |  |
Reduction of net interest expense due to impact of interest rate swap contracts | 0.6 |  |  |
Foreign exchange contracts |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Notional value of open commodity contracts | 106.7 |  |  | $ 108.6
Cash flow hedging | 2043 Maturity |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Unrealized gain (loss) on derivative adjustments |  |  | $ 4.2 |
Cash flow hedging | 2043 Maturity | Cash flow hedges |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Unamortized amounts of deferred gain (loss) | 3.0 |  |  |
Cash flow hedging | 2023 Maturity |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Unrealized gain (loss) on derivative adjustments |  |  | $ (2.0) |
Cash flow hedging | 2023 Maturity | Cash flow hedges |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Unamortized amounts of deferred gain (loss) | (1.3) |  |  |
Fair value hedging | Interest rate contracts |  |  |  |
Derivative Financial Instruments [Line Items] |  |  |  |
Cumulative adjustment to fair value of hedged debt instruments | 12.6 |  |  |
Unamortized amount of deferred gain on debt instruments hedged | $ 11.2 |  |  |

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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 Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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