Leases (Property, Plant and Equipment Leased to Others through Embedded Leasing Arrangements) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Leases [Abstract]
Property, plant and equipment leased through embedded leasing arrangements	$ 47,391	$ 44,912
Less accumulated depreciation	(28,195)	(25,508)
Property, plant and equipment leased through embedded leasing arrangements, net	$ 19,196	$ 19,404