Leases (Lease-Related Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for operating leases	$ 2,621	$ 2,776
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for finance leases	74	16
Cash paid for amounts included in the measurement of lease liabilities: Financing cash flows for finance leases	284	574
Right-of-use assets obtained in exchange for recorded lease obligations: Operating leases	714	7,999
Right-of-use assets obtained in exchange for recorded lease obligations: Finance leases	$ 43	$ 1,260