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INVENTORIES - Schedule of Major Classifications of Inventories (Details) - USD ($) $ in Thousands | Jul. 31, 2023 | Jul. 31, 2022
--- | --- | ---
Inventory [Line Items] |  |
Work in process | $ 313,006 | $ 397,495
Raw materials | 563,614 | 838,474
Chassis | 681,122 | 293,375
Subtotal | 1,815,674 | 1,892,225
Excess of FIFO costs over LIFO costs | (162,604) | (137,452)
Inventories, net | 1,653,070 | 1,754,773
Recreational vehicles |  |
Inventory [Line Items] |  |
Finished goods | 164,456 | 236,311
Other |  |
Inventory [Line Items] |  |
Finished goods | $ 93,476 | $ 126,570

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