DERIVATIVE FINANCIAL INSTRUMENTS (Derivatives Not Designated as Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 24, 2013	Nov. 25, 2012	Nov. 24, 2013	Nov. 25, 2012
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	$ 4.4	$ 11.9	$ 17.5	$ 120.5
Commodity contracts | Sales [Member]
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	(1.0)	0	(2.0)	(0.7)
Commodity contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	2.7	7.1	17.4	126.3
Commodity contracts | Selling, General and Administrative Expenses
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	0	(0.1)	0	0.1
Foreign exchange contracts | Cost of goods sold
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	2.1	5.4	0.9	1.3
Foreign exchange contracts | Selling, General and Administrative Expenses
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	$ 0.6	$ (0.5)	$ 1.2	$ (6.5)