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Other Intangible Assets Major Classes (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2019 | May 31, 2018
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | $ 710,390 | $ 665,759
Amortized intangible assets, accumulated amortization | (365,795) | (330,935)
Amortized intangible assets, net other intangible assets | 344,595 | 334,824
Total Other Intangible Assets, gross carrying amount | 966,877 | 915,207
Total Other Intangible Assets, net other intangible assets | 601,082 | 584,272
Trademarks and Trade Names |  |
Intangible Assets by Major Class [Line Items] |  |
Indefinite-lived intangible assets, acquisitions | 256,487 | 249,448
Indefinite-lived intangible assets, net other intangible assets | 256,487 | 249,448
Formulae |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 227,208 | 221,812
Amortized intangible assets, accumulated amortization | (150,091) | (140,160)
Amortized intangible assets, net other intangible assets | $ 77,117 | $ 81,652
Formulae | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 9 years | 5 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 | $ 413,475 | $ 369,687
Amortized intangible assets, accumulated amortization | (172,238) | (147,831)
Amortized intangible assets, net other intangible assets | $ 241,237 | $ 221,856
Customer-Related Intangible Assets | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 5 years | 5 years
Customer-Related Intangible Assets | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 33 years | 33 years
Trademarks and Trade Names |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | $ 32,998 | $ 36,671
Amortized intangible assets, accumulated amortization | (16,867) | (17,998)
Amortized intangible assets, net other intangible assets | $ 16,131 | $ 18,673
Trademarks and Trade Names | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 5 years | 5 years
Trademarks and Trade Names | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 40 years | 40 years
Other Intangible Assets |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | $ 36,709 | $ 37,589
Amortized intangible assets, accumulated amortization | (26,599) | (24,946)
Amortized intangible assets, net other intangible assets | $ 10,110 | $ 12,643
Other Intangible Assets | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 1 year | 2 years
Other Intangible Assets | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 33 years | 20 years

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