INVENTORIES - Schedule of Major Classifications of Inventories (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jul. 31, 2023
Inventory [Line Items]
Work in process	$ 261,043	$ 313,006
Raw materials	434,165	563,614
Chassis	478,220	681,122
Subtotal	1,514,748	1,815,674
Excess of FIFO costs over LIFO costs	(148,110)	(162,604)
Total inventories, net	1,366,638	1,653,070
Recreation Vehicles
Inventory [Line Items]
Finished goods	249,949	164,456
Other
Inventory [Line Items]
Finished goods	$ 91,371	$ 93,476