XML 72 R54.htm IDEA: XBRL DOCUMENT

Supplementary Financial Statement Information Inventory (Policies)	12 Months Ended
	Sep. 30, 2021
Inventory Disclosure [Abstract]
Inventory, Policy [Policy Text Block]	InventoriesDuring the fourth quarter of 2021, we changed our method of accounting for inventories from the last-in, first-out (“LIFO”) method to the first-in, first-out (“FIFO”) method for the remaining of our inventory that was valued using LIFO.

Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.

+ References + Details