DERIVATIVE FINANCIAL INSTRUMENTS (Derivatives Not Designated as Hedging Instruments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 24, 2013	Feb. 26, 2012	Feb. 24, 2013	Feb. 26, 2012
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	$ 31.5	$ 28.4	$ 152.0	$ 106.9
Commodity contracts [Member] | Sales [Member]
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	(8.8)	0	(9.5)	0
Commodity contracts [Member] | Cost of goods sold [Member]
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	22.1	29.5	148.4	102.6
Commodity contracts [Member] | Selling, General and Administrative Expenses [Member]
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	0	0	0.1	(0.1)
Foreign exchange contracts [Member] | Cost of goods sold [Member]
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	12.7	4.2	14.0	3.2
Foreign exchange contracts [Member] | Selling, General and Administrative Expenses [Member]
Derivatives, Fair Value [Line Items]
Total gain from derivative instruments not designated as hedging instruments	$ 5.5	$ (5.3)	$ (1.0)	$ 1.2