Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Gross	$ 14,348	$ 14,334
Inventory, Work in Process, Gross	12,895	12,939
Inventory, Finished Goods, Gross	5,689	3,399
Other Inventory, Gross	80,842	64,983
Inventory, Net	$ 113,774	$ 95,655