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Leases (Lease-Related Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | ---
Assets: |  |
Operating lease assets | $ 25,132 | $ 25,144
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets Noncurrent | Other Assets Noncurrent
Finance lease assets | $ 5,226 | $ 5,474
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Property Plant And Equipment Net | Property Plant And Equipment Net
Total lease assets | $ 30,358 | $ 30,618
Current liabilities: |  |
Operating lease liabilities | $ 4,730 | $ 4,587
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued Liabilities Current | Accrued Liabilities Current
Finance lease liabilities | $ 1,026 | $ 856
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Long Term Debt Current | Long Term Debt Current
Noncurrent liabilities: |  |
Operating lease liabilities | $ 21,183 | $ 21,443
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Liabilities Noncurrent | Other Liabilities Noncurrent
Finance lease liabilities | $ 4,222 | $ 4,405
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Long Term Debt Noncurrent | Long Term Debt Noncurrent
Total lease liabilities | $ 31,161 | $ 31,291

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