DERIVATIVE FINANCIAL INSTRUMENTS (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Millions	12 Months Ended
	May 29, 2016	May 31, 2015	May 25, 2014
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	$ (9.0)	$ (70.3)	$ (26.2)
Commodity contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	(13.4)	(80.5)	18.9
Commodity contracts | Selling, general and administrative expense
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments			7.9
Foreign exchange contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	1.5	1.3	1.9
Foreign exchange contracts | Selling, general and administrative expense
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	$ 2.9	10.3	$ (54.9)
Interest rate contracts | Selling, general and administrative expense
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments		$ (1.4)