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Inventories - Narrative (Details) - USD ($)
$ in Thousands
Apr. 30, 2024
Jul. 31, 2023
Inventory Disclosure [Abstract]    
Inventories $ 1,732,751 $ 1,815,674
Subsidiaries valued inventory in first-in, first-out method 1,292,488 1,224,069
Subsidiaries valued inventory in last-in, first-out method $ 440,263 $ 591,605