INVENTORIES - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2024 |
Jul. 31, 2025 |
|
| Inventory [Line Items] | |||
| Inventories | $ 1,574,207 | $ 1,500,608 | |
| Subsidiaries valued inventory in first-in, first-out method | 1,205,326 | 1,089,453 | |
| Subsidiaries valued inventory in last-in, first-out method | 368,881 | $ 411,155 | |
| Effect of liquidation on net income | $ 29,200 | ||
| North American Towable | |||
| Inventory [Line Items] | |||
| Effect of liquidation on net income | $ 10,760 | ||
| North American Motorized | |||
| Inventory [Line Items] | |||
| Effect of liquidation on net income | $ 23,900 | ||