DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Location and Amount of Gain (Loss) from Derivatives Not Designated as Hedging Instruments (Details) - USD ($) $ in Millions	12 Months Ended
	May 30, 2021	May 31, 2020	May 26, 2019
Derivatives, Fair Value [Line Items]
Total losses from derivative instruments not designated as hedging instruments	$ 9.5	$ (12.9)	$ (3.6)
Commodity contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total losses from derivative instruments not designated as hedging instruments	26.6	(18.4)	(5.3)
Foreign exchange contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total losses from derivative instruments not designated as hedging instruments	$ (17.1)	$ 5.5	$ 1.7