DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Derivative Assets and Liabilities Representing a Right to Reclaim Cash Collateral or Obligation to Return Cash Collateral (Details) - USD ($) $ in Millions	May 27, 2018	May 28, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Prepaid expenses and other current assets	$ 4.4	$ 2.3
Other accrued liabilities	$ 0.1	$ 1.3