Inventories (Narrative) (Details) - USD ($) $ in Thousands	Nov. 30, 2024	Aug. 31, 2024	Nov. 30, 2023
Inventory Disclosure [Abstract]
Inventories, net	$ 158,255	$ 154,453	$ 164,144
LIFO, basis amount	40,800	42,700	44,200
FIFO, basis amount	$ 117,500	$ 111,800	$ 119,900