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GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS (Other Identifiable Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified | Feb. 22, 2015 | May 25, 2014
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Goodwill and Intangible Assets Disclosure [Abstract] |  |
Non-amortizing intangible assets, gross carrying amount | $ 1,006.1 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | $ 1,059.5 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Amortizing intangible assets, gross carrying amount | 2,367.6 us-gaap_FiniteLivedIntangibleAssetsGross | 2,376.1 us-gaap_FiniteLivedIntangibleAssetsGross
Intangible assets, gross carrying amount | 3,373.7 us-gaap_IntangibleAssetsGrossExcludingGoodwill | 3,435.6 us-gaap_IntangibleAssetsGrossExcludingGoodwill
Non-amortizing intangible assets, accumulated amortization | 0 cag_IndefiniteLivedIntangibleAssetsAccumulatedAmortization | 0 cag_IndefiniteLivedIntangibleAssetsAccumulatedAmortization
Amortizing intangible assets, accumulated amortization | 310.9 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | 230.7 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Intangible assets, accumulated amortization | $ 310.9 cag_IntangibleAssetsAccumulatedAmortizationExcludingGoodwill | $ 230.7 cag_IntangibleAssetsAccumulatedAmortizationExcludingGoodwill

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- Definition Indefinite lived intangible assets accumulated amortization. + References No definition available. + Details
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- Definition Intangible Assets Accumulated Amortization Excluding Goodwill + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References No definition available. + Details
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