v3.26.1
Leases (Lease-Related Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Assets:    
Operating lease assets $ 22,794 $ 25,274
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent Other Assets, Noncurrent
Finance lease assets $ 2,114 $ 2,896
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Total lease assets $ 24,908 $ 28,170
Current liabilities:    
Operating lease liabilities $ 5,428 $ 5,465
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accrued Liabilities, Current Accrued Liabilities, Current
Finance lease liabilities $ 1,075 $ 1,032
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Long-Term Debt, Current Maturities Long-Term Debt, Current Maturities
Noncurrent liabilities:    
Operating lease liabilities $ 18,115 $ 20,199
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other Liabilities, Noncurrent Other Liabilities, Noncurrent
Finance lease liabilities $ 1,122 $ 1,902
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Long-Term Debt, Excluding Current Maturities Long-Term Debt, Excluding Current Maturities
Total lease liabilities $ 25,740 $ 28,598