Leases (Property, Plant and Equipment Leased to Others through Embedded Leasing Arrangements) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Property, plant and equipment leased through embedded leasing arrangements	$ 46,916	$ 44,912
Less accumulated depreciation	(28,249)	(25,508)
Property, plant and equipment leased through embedded leasing arrangements, net	$ 18,667	$ 19,404