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Inventory (Tables)
9 Months Ended
Jun. 30, 2024
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventories consist of the following components:
June 30,September 30,
20242023
Raw materials$14,920 $14,334 
Work in process9,996 12,939 
Finished goods5,498 3,399 
Parts and supplies76,441 64,983 
Total inventories$106,855 $95,655