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INVENTORIES - Schedule of Major Classifications of Inventories (Details) - USD ($) $ in Thousands | Jul. 31, 2022 | Jul. 31, 2021
--- | --- | ---
Inventory [Line Items] |  |
Work in process | $ 397,495 | $ 376,594
Raw materials | 838,474 | 602,106
Chassis | 293,375 | 292,921
Subtotal | 1,892,225 | 1,444,274
Excess of FIFO costs over LIFO costs | (137,452) | (74,890)
Inventories, net | 1,754,773 | 1,369,384
Recreational vehicles |  |
Inventory [Line Items] |  |
Finished goods | 236,311 | 114,843
Other |  |
Inventory [Line Items] |  |
Finished goods | $ 126,570 | $ 57,810

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