Leases (Lease-Related Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for operating leases	$ 2,660	$ 2,621
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for finance leases	73	74
Cash paid for amounts included in the measurement of lease liabilities: Financing cash flows for finance leases	472	284
Right-of-use assets obtained in exchange for recorded lease obligations: Operating leases	$ 966	714
Right-of-use assets obtained in exchange for recorded lease obligations: Finance leases		$ 43