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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 29, 2020 | Nov. 25, 2018 | May 30, 2021 | May 31, 2020 | May 26, 2019 | May 27, 2018
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Period to hedge portion of anticipated consumption of commodity inputs (up to) |  |  | 36 months |  |  |
Gain recognized in other comprehensive income |  |  | $ 0.4 | $ (7.1) | $ 45.5 |
Deferred gain in AOCI upon settlement of contracts |  |  | 8,631.4 | 7,950.7 | 7,463.7 | $ 3,756.6
Setoff amounts applied against total derivative assets |  |  | 7.4 | 0.4 |  |
Setoff amounts applied against total derivative liabilities |  |  | 5.4 | 1.5 |  |
Level 2 |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Maximum amount of loss due to credit risk of counterparties |  |  | 2.5 |  |  |
Prepaid expenses and other current assets |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Amounts representing a right to reclaim cash collateral |  |  |  | 1.1 |  |
Amount representing obligation to return cash |  |  | 2.0 |  |  |
Cash flow hedge, Pinnacle |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Gain recognized in other comprehensive income |  | $ 47.5 |  |  |  |
Write off of debt cost of early extinguishment debt | $ 0.5 |  |  |  |  |
Commodity contracts | Purchase contracts |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Notional value of contracts |  |  | 148.8 | 102.0 |  |
Commodity contracts | Sales contracts |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Notional value of contracts |  |  | 159.4 | 3.4 |  |
Foreign currency forward and cross currency swap contracts |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Notional value of contracts |  |  | 111.4 | 107.6 |  |
Derivative adjustments, net of reclassification adjustments |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Deferred gain in AOCI upon settlement of contracts |  |  | 24.3 | $ 26.3 | $ 34.0 |
Derivative adjustments, net of reclassification adjustments | Cash flow hedge, Pinnacle |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Deferred gain in AOCI upon settlement of contracts |  |  | $ 38.2 |  |  |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5708775-113959 + Details
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