INVENTORIES - Schedule of Major Classifications of Inventories (Details) - USD ($) $ in Thousands |
Jul. 31, 2026 |
Jul. 31, 2025 |
|---|---|---|
| Inventory [Line Items] | ||
| Work in process | $ 286,706 | $ 269,279 |
| Raw materials | 454,575 | 409,411 |
| Chassis | 461,318 | 438,079 |
| Subtotal | 1,574,207 | 1,500,608 |
| Excess of FIFO costs over LIFO costs | (151,090) | (148,812) |
| Total inventories, net | 1,423,117 | 1,351,796 |
| Recreation Vehicles | ||
| Inventory [Line Items] | ||
| Finished goods | 213,453 | 256,239 |
| Other | ||
| Inventory [Line Items] | ||
| Finished goods | $ 158,155 | $ 127,600 |
| X | ||||||||||
- Definition Carrying amount as of balance sheet date of major components of certain assembled products. No definition available.
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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- 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. No definition available.
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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