DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Location and Amount of Gain (Loss) from Derivatives Not Designated as Hedging Instruments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 24, 2019	Nov. 25, 2018	Nov. 24, 2019	Nov. 25, 2018
Derivatives, Fair Value [Line Items]
Total gains from derivative instruments not designated as hedging instruments	$ 0.5	$ 2.3	$ (6.8)	$ (4.2)
Commodity contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total gains from derivative instruments not designated as hedging instruments	1.9	0.5	(4.5)	(6.5)
Foreign exchange contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total gains from derivative instruments not designated as hedging instruments	$ (1.4)	$ 1.8	$ (2.3)	$ 2.3