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Other Intangible Assets Major Classes (Detail) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Feb. 28, 2017 | May 31, 2016
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | $ 676,425 |
Amortized intangible assets, accumulated amortization | (276,953) |
Amortized intangible assets, impairment charge | (45,645) |
Amortized intangible assets, net carrying amount | 353,827 |
Total Other Intangible Assets, gross carrying amount | 909,370 |
Total Other Intangible Assets, impairment charge | (53,180) |
Total Other Intangible Assets, net carrying amount | 579,237 | $ 575,401
Trademarks and Trade Names |  |
Intangible Assets by Major Class [Line Items] |  |
Indefinite-lived intangible assets, acquisitions | 232,945 |
Indefinite-lived intangible assets, impairment charge | (7,535) |
Indefinite-lived intangible assets, net carrying amount | 225,410 |
Formulae |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 230,184 |
Amortized intangible assets, accumulated amortization | (126,707) |
Amortized intangible assets, impairment charge | (15,332) |
Amortized intangible assets, net carrying amount | 88,145 |
Customer-Related Intangible Assets |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 367,024 |
Amortized intangible assets, accumulated amortization | (115,255) |
Amortized intangible assets, impairment charge | (30,115) |
Amortized intangible assets, net carrying amount | 221,654 |
Trademarks and Trade Names |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 41,948 |
Amortized intangible assets, accumulated amortization | (14,567) |
Amortized intangible assets, net carrying amount | 27,381 |
Other Intangible Assets |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 37,269 |
Amortized intangible assets, accumulated amortization | (20,424) |
Amortized intangible assets, impairment charge | (198) |
Amortized intangible assets, net carrying amount | $ 16,647 |

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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=66006027&loc=d3e16323-109275 + Details
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