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GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS (Other Identifiable Intangible Assets) (Details) - USD ($) $ in Millions | Feb. 28, 2016 | May. 31, 2015
--- | --- | ---
Non-amortizing intangible assets |  |
Gross Carrying Amount | $ 907.0 | $ 916.9
Amortizing intangible assets |  |
Gross Carrying Amount | 630.3 | 536.6
Accumulated Amortization | 165.5 | 140.1
Intangible Assets |  |
Gross Carrying Amount | 1,537.3 | 1,453.5
Accumulated Amortization | $ 165.5 | $ 140.1

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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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