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Intangible Assets and Goodwill - Components of Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands | Oct. 31, 2020 | Jul. 31, 2020
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 1,252,581 | $ 1,255,441
Accumulated amortization | 367,127 | 340,717
Dealer networks/customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 763,378 | 766,198
Accumulated amortization | 270,510 | 252,320
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 276,985 | 275,775
Accumulated amortization | 51,066 | 47,743
Design technology and other intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 212,218 | 213,468
Accumulated amortization | $ 45,551 | $ 40,654

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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/disclosureRef -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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- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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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