DERIVATIVE FINANCIAL INSTRUMENTS (Derivatives Not Designated as Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 23, 2014	Nov. 24, 2013	Nov. 23, 2014	Nov. 24, 2013
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	$ (20.5)	$ (10.8)	$ (60.0)	$ (26.9)
Commodity contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	(23.8)	(13.5)	(62.4)	(29.0)
Foreign exchange contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	0.9	2.1	1.2	0.9
Foreign exchange contracts | Selling, general and administrative expense
Derivatives, Fair Value [Line Items]
Total loss from derivative instruments not designated as hedging instruments	2.4	0.6	2.6	1.2
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)	$ 0