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Acquisition - Erwin Hymer Group - Estimated Fair Value of Assets and Liabilities (Detail) - USD ($) $ in Thousands | Oct. 31, 2019 | Jul. 31, 2019 | Feb. 01, 2019 | Oct. 31, 2018 | Jul. 31, 2018
--- | --- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |  |
Goodwill | $ 1,361,265 | $ 1,358,032 |  | $ 377,693 | $ 377,693
Guarantee liabilities related to former EHG North American subsidiaries |  |  | $ (115,668) |  |
Erwin Hymer Group |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash |  |  | 97,887 |  |
Inventory |  |  | 593,053 |  |
Other assets |  |  | 426,096 |  |
Property, plant and equipment, rental vehicles |  |  | 80,132 |  |
Property, plant and equipment |  |  | 447,621 |  |
Goodwill |  |  | 1,011,526 |  |
Other current liabilities |  |  | (850,623) |  |
Debt - unsecured notes |  |  | (114,710) |  |
Debt - other |  |  | (166,196) |  |
Deferred income tax liabilities |  |  | (155,863) |  |
Other long-term liabilities |  |  | (17,205) |  |
Non-controlling interests |  |  | (12,207) |  |
Total fair value of net assets acquired |  |  | 1,900,632 |  |
Less: cash acquired |  |  | (97,887) |  |
Total fair value of net assets acquired, less cash acquired |  |  | 1,802,745 |  |
Erwin Hymer Group | Dealer network |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Amortizable intangible assets |  |  | 355,601 |  |
Erwin Hymer Group | Trademarks |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Amortizable intangible assets |  |  | 126,181 |  |
Erwin Hymer Group | Technology assets |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Amortizable intangible assets |  |  | 183,536 |  |
Erwin Hymer Group | Backlog |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Amortizable intangible assets |  |  | $ 11,471 |  |

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