Leases (Lease-Related Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for operating leases	$ 2,982	$ 2,660
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows for finance leases	86	73
Cash paid for amounts included in the measurement of lease liabilities: Financing cash flows for finance leases	474	472
Right-of-use assets obtained in exchange for recorded lease obligations: Operating leases	3,852	$ 966
Right-of-use assets obtained in exchange for recorded lease obligations: Finance leases	$ 1,069