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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 25, 2018 | Nov. 26, 2017 | Nov. 25, 2018 | Nov. 26, 2017 | Aug. 26, 2018 | May 27, 2018 | Aug. 27, 2017 | May 28, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |  |  |  |  |  |  |
Period to hedge portion of anticipated consumption of commodity inputs (up to) |  |  | 36 months |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Gain recognized in other comprehensive income | $ 105.9 | $ 1.0 | $ 48.0 | $ 1.0 |  |  |  |
Deferred gain in AOCI upon settlement of contracts | 7,303.3 | $ 3,786.5 | 7,303.3 | $ 3,786.5 | $ 3,815.0 | $ 3,756.6 | $ 3,882.6 | $ 4,077.8
Setoff amounts applied against total derivative assets | 0.9 |  | 0.9 |  |  | 1.4 |  |
Setoff amounts applied against total derivative liabilities | 1.8 |  | 1.8 |  |  | 0.4 |  |
Level 2 |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Maximum amount of loss due to credit risk of counterparties | 2.3 |  | 2.3 |  |  |  |  |
Cash flow hedge, Pinnacle |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Gain recognized in other comprehensive income | 47.5 |  |  |  |  |  |  |
Foreign exchange contracts |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Notional value of contracts | 66.6 |  | 66.6 |  |  | 82.4 |  |
Purchase contracts | Commodity contracts |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Notional value of contracts | 189.3 |  | 189.3 |  |  | 100.0 |  |
Sales contracts | Commodity contracts |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Notional value of contracts | 57.3 |  | 57.3 |  |  | 34.2 |  |
Prepaid expenses and other current assets |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Amounts representing a right to reclaim cash collateral | 0.9 |  | 0.9 |  |  |  |  |
Amounts representing an obligation to return cash collateral |  |  |  |  |  | 1.0 |  |
Accumulated Gain (Loss), Net, Cash Flow Hedge |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Deferred gain in AOCI upon settlement of contracts | 36.8 |  | 36.8 |  |  | $ 1.0 |  |
Accumulated Gain (Loss), Net, Cash Flow Hedge | Cash flow hedge, Pinnacle |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |
Deferred gain in AOCI upon settlement of contracts | $ 47.3 |  | $ 47.3 |  |  |  |  |

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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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