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Other Intangible Assets Major Classes (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2020 | May 31, 2019
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | $ 732,698 | $ 710,390
Amortized intangible assets, accumulated amortization | (399,028) | (365,795)
Amortized intangible assets, net other intangible assets | 333,670 | 344,595
Total Other Intangible Assets, gross carrying amount | 983,408 | 966,877
Total Other Intangible Assets, net other intangible assets | 584,380 | 601,082
Trademarks and Trade Names |  |
Intangible Assets by Major Class [Line Items] |  |
Indefinite-lived intangible assets, acquisitions | 250,710 | 256,487
Indefinite-lived intangible assets, net other intangible assets | 250,710 | 256,487
Formulae |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, gross carrying amount | 230,621 | 227,208
Amortized intangible assets, accumulated amortization | (160,771) | (150,091)
Amortized intangible assets, net other intangible assets | $ 69,850 | $ 77,117
Formulae | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 9 years | 9 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 | $ 439,153 | $ 413,475
Amortized intangible assets, accumulated amortization | (197,752) | (172,238)
Amortized intangible assets, net other intangible assets | $ 241,401 | $ 241,237
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 | $ 30,700 | $ 32,998
Amortized intangible assets, accumulated amortization | (17,224) | (16,867)
Amortized intangible assets, net other intangible assets | $ 13,476 | $ 16,131
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 | $ 32,224 | $ 36,709
Amortized intangible assets, accumulated amortization | (23,281) | (26,599)
Amortized intangible assets, net other intangible assets | $ 8,943 | $ 10,110
Other Intangible Assets | Minimum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 1 year | 1 year
Other Intangible Assets | Maximum |  |
Intangible Assets by Major Class [Line Items] |  |
Amortized intangible assets, amortization period | 33 years | 33 years

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