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Inventories - Narrative (Details) - USD ($)
$ in Thousands
Jan. 31, 2026
Jul. 31, 2025
Inventory Disclosure [Abstract]    
Inventories $ 1,739,940 $ 1,500,608
Subsidiaries valued inventory in first-in, first-out method 1,214,662 1,089,453
Subsidiaries valued inventory in last-in, first-out method $ 525,278 $ 411,155