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Inventory (Tables)
3 Months Ended
Dec. 31, 2024
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventories consist of the following components:
December 31,September 30,
20242024
Raw materials$15,376 $14,078 
Work in process10,852 12,494 
Finished goods4,521 4,389 
Parts and supplies73,563 70,767 
Total inventories$104,312 $101,728