DERIVATIVE FINANCIAL INSTRUMENTS (Assets and Liabilities on A Gross Basis) (Details) (USD $) In Millions, unless otherwise specified	Nov. 23, 2014	May 25, 2014
Derivatives, Fair Value [Line Items]
Total derivatives	$ 46.7	$ 51.8
Total derivatives	50.7	17.2
Total derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives	9.8	9.1
Total derivatives	0	0
Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives not designated as hedging instruments	36.9	42.7
Total derivatives not designated as hedging instruments	50.7	17.2
Interest rate swap contracts \| Other accrued liabilities
Derivatives, Fair Value [Line Items]
Total derivatives	0	0
Interest rate swap contracts \| Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Total derivatives	9.8	9.1
Commodity contracts \| Other accrued liabilities \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives not designated as hedging instruments	50.5	13.9
Commodity contracts \| Prepaid expenses and other current assets \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives not designated as hedging instruments	26.0	28.6
Foreign exchange contracts \| Other accrued liabilities \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives not designated as hedging instruments	0.2	3.3
Foreign exchange contracts \| Prepaid expenses and other current assets \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives not designated as hedging instruments	10.6	13.4
Other \| Other accrued liabilities \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives not designated as hedging instruments	0	0
Other \| Prepaid expenses and other current assets \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives not designated as hedging instruments	$ 0.3	$ 0.7

Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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