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Intangible Assets and Goodwill - Additional Information (Detail) - USD ($) $ in Thousands | Apr. 30, 2019 | Jul. 31, 2018
--- | --- | ---
Intangible Assets And Goodwill [Line Items] |  |
Goodwill | $ 1,350,187 | $ 377,693
Recreational vehicles | Europe [Member] |  |
Intangible Assets And Goodwill [Line Items] |  |
Goodwill | 972,494 |
Recreational vehicles | North America [Member] |  |
Intangible Assets And Goodwill [Line Items] |  |
Goodwill | 334,822 | 334,822
Other Segments [Member] |  |
Intangible Assets And Goodwill [Line Items] |  |
Goodwill | $ 42,871 | $ 42,871

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- Definition Intangible Assets And Goodwill [Line Items] + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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