XML 87 R73.htm IDEA: XBRL DOCUMENT v3.25.0.1
LEASES - RIGHT-OF-USE ASSETS AND LEASE LIABILITIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Sep. 30, 2024
Noncurrent    
Operating lease assets $ 183,252 $ 184,485
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Utility plant, at cost Utility plant, at cost
Finance lease assets $ 25,548 $ 26,088
Total lease assets 208,800 210,573
Current    
Operating lease liabilities $ 5,177 $ 4,945
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Current maturities of long-term debt Current maturities of long-term debt
Finance lease liabilities $ 7,158 $ 7,534
Noncurrent    
Operating lease liabilities $ 158,583 $ 159,303
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Long-term debt Long-term debt
Finance lease liabilities $ 12,806 $ 16,026
Total lease liabilities $ 183,724 $ 187,808