Leases (Lease-Related Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for operating leases	$ 4,136	$ 4,229
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for finance leases	30	48
Cash paid for amounts included in the measurement of lease liabilities: Financing cash flows for finance leases	690	1,236
Right-of-use assets obtained in exchange for recorded lease obligations: Operating leases	9,997	6,759
Right-of-use assets obtained in exchange for recorded lease obligations: Finance leases	$ 1,260	$ 35