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 27, 2018	May 28, 2017
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 5.8	$ 2.8
Derivative Liabilities	0.5	2.7
Commodity contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Assets	3.7	2.6
Commodity contracts | Other accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0.4	1.4
Foreign exchange contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Assets	2.1	0.2
Foreign exchange contracts | Other accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0.0	1.1
Other | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Assets	0.0	0.0
Other | Other accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 0.1	$ 0.2