DERIVATIVE FINANCIAL INSTRUMENTS (Assets and Liabilities on A Gross Basis) (Details) (USD $) In Millions, unless otherwise specified	Feb. 23, 2014	May 26, 2013
Derivatives, Fair Value [Line Items]
Total derivative assets	$ 101.6	$ 91.1
Total derivative liabilities	44.4	160.6
Designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	5.6	0
Total derivative liabilities	0	104.5
Total derivatives not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets not designated as hedging instruments	96.0	91.1
Total derivative liabilities not designated as hedging instruments	44.4	56.1
Interest rate contracts [Member] | Other accrued liabilities [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities	0	104.5
Interest rate contracts [Member] | Prepaid expenses and other current assets [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets	5.6	0
Commodity contracts | Other accrued liabilities [Member] | Total derivatives not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities not designated as hedging instruments	39.6	53.7
Commodity contracts | Prepaid expenses and other current assets [Member] | Total derivatives not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets not designated as hedging instruments	70.1	70.7
Foreign exchange contracts | Other accrued liabilities [Member] | Total derivatives not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities not designated as hedging instruments	4.8	2.4
Foreign exchange contracts | Prepaid expenses and other current assets [Member] | Total derivatives not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets not designated as hedging instruments	24.8	18.4
Other [Member] | Other accrued liabilities [Member] | Total derivatives not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative liabilities not designated as hedging instruments	0	0
Other [Member] | Prepaid expenses and other current assets [Member] | Total derivatives not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Total derivative assets not designated as hedging instruments	$ 1.1	$ 2.0