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BUSINESS SEGMENTS - Schedule of Segment Reporting Information, by Segment Balance Sheet Item (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Total assets | $ 6,654,088 | $ 5,771,460 |
Depreciation and Intangible amortization expense | 230,581 | 196,167 | $ 148,777
Capital acquisitions | 131,681 | 105,823 | 127,245
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 5,919,904 | 5,112,209 |
Depreciation and Intangible amortization expense | 216,663 | 183,915 | 136,463
Capital acquisitions | 124,976 | 101,987 | 122,153
Operating Segments | Total North America |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 2,944,083 | 2,010,138 |
Depreciation and Intangible amortization expense | 89,231 | 80,244 | 81,582
Capital acquisitions | 58,046 | 39,822 | 86,500
Operating Segments | North American Towables |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 1,870,577 | 1,529,913 |
Depreciation and Intangible amortization expense | 66,078 | 66,042 | 67,751
Capital acquisitions | 35,816 | 27,219 | 69,321
Operating Segments | North American Motorized |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 1,073,506 | 480,225 |
Depreciation and Intangible amortization expense | 23,153 | 14,202 | 13,831
Capital acquisitions | 22,230 | 12,603 | 17,179
Operating Segments | European |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 2,975,821 | 3,102,071 |
Depreciation and Intangible amortization expense | 127,432 | 103,671 | 54,881
Capital acquisitions | 66,930 | 62,165 | 35,653
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 272,350 | 212,378 |
Depreciation and Intangible amortization expense | 12,220 | 10,488 | 10,647
Capital acquisitions | 5,620 | 2,664 | 3,493
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 461,834 | 446,873 |
Depreciation and Intangible amortization expense | 1,698 | 1,764 | 1,667
Capital acquisitions | $ 1,085 | $ 1,172 | $ 1,599

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