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Components of Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jul. 31, 2018 | Jul. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 569,727 | $ 572,327
Accumulated Amortization | $ 181,379 | 128,861
Dealer Network/Customer Relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life | 16 years |
Cost | $ 404,960 | 404,960
Accumulated Amortization | $ 147,077 | 101,795
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life | 17 years |
Cost | $ 146,117 | 147,617
Accumulated Amortization | $ 24,364 | 17,570
Design Technology and Other Intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life | 7 years |
Cost | $ 18,200 | 19,300
Accumulated Amortization | $ 9,555 | 9,203
Non-Compete Agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life | 1 year |
Cost | $ 450 | 450
Accumulated Amortization | $ 383 | $ 293

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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