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DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Derivative Assets and Liabilities Where Legal Right of Setoff Existed (Details) - Total derivatives not designated as hedging instruments - USD ($) $ in Millions | May 26, 2019 | May 27, 2018
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Derivatives, Fair Value [Line Items] |  |
Derivative Assets | $ 6.4 | $ 5.8
Derivative Liabilities | 1.8 | 0.5
Commodity contracts | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 4.9 | 3.7
Commodity contracts | Other accrued liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | 0.9 | 0.4
Foreign exchange contracts | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 1.4 | 2.1
Foreign exchange contracts | Other accrued liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | 0.9 | 0.0
Other | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 0.1 | 0.0
Other | Other accrued liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | $ 0.0 | $ 0.1

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