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Inventories - Narrative (Details) - USD ($)
$ in Thousands
Apr. 30, 2025
Jul. 31, 2024
Inventory Disclosure [Abstract]    
Inventories $ 1,498,788 $ 1,514,748
Subsidiaries valued inventory in first-in, first-out method 1,137,199 1,109,062
Subsidiaries valued inventory in last-in, first-out method $ 361,589 $ 405,686