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DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Derivative Assets and Liabilities on a Gross Basis (Details) - Total derivatives not designated as hedging instruments - USD ($) $ in Millions | May 31, 2020 | May 26, 2019
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | $ 8.4 | $ 6.4
Derivative Liabilities | 1.9 | 1.8
Commodity contracts | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 3.3 | 4.9
Commodity contracts | Other accrued liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | 1.9 | 0.9
Foreign exchange contracts | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 5.1 | 1.4
Foreign exchange contracts | Other accrued liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | $ 0.0 | 0.9
Other Contract | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets |  | $ 0.1

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