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Other Intangible Assets Major Classes (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
May 31, 2014 | May 31, 2013
Intangible Assets by Major Class [Line Items] |  |
Total Other Intangible Assets gross carrying amount | $ 710,380 | $ 679,273
Amortized intangible assets, gross carrying amount | 518,863 | 491,834
Amortized intangible assets, accumulated amortization | 250,844 | 219,660
Amortized intangible assets, net other intangible assets | 268,019 | 272,174
Total Other Intangible Assets, net | 459,536 | 459,613
Tradenames and Trademarks |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 33,219 | 30,223
Amortized intangible assets, accumulated amortization | 15,435 | 13,222
Amortized intangible assets, net other intangible assets | 17,784 | 17,001
Indefinite-lived intangible assets, net other intangible assets | 191,517 | 187,439
Tradenames and Trademarks | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 3 years | 2 years
Tradenames and Trademarks | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 40 years | 40 years
Formulae |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 226,200 | 216,418
Amortized intangible assets, accumulated amortization | 124,413 | 113,315
Amortized intangible assets, net other intangible assets | 101,787 | 103,103
Formulae | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 3 years | 3 years
Formulae | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 33 years | 33 years
Customer-Related Intangible Assets |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 201,968 | 196,376
Amortized intangible assets, accumulated amortization | 80,667 | 66,077
Amortized intangible assets, net other intangible assets | 121,301 | 130,299
Customer-Related Intangible Assets | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 3 years | 3 years
Customer-Related Intangible Assets | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 33 years | 33 years
Other Intangible Assets |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 57,476 | 48,817
Amortized intangible assets, accumulated amortization | 30,329 | 27,046
Amortized intangible assets, net other intangible assets | $ 27,147 | $ 21,771
Other Intangible Assets | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 2 years | 1 year
Other Intangible Assets | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 40 years | 40 years

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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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