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LEASES (Tables)
 6 Months Ended
Mar. 31, 2022
Leases [Abstract]  
Lease, Cost
The following table presents the Company's lease costs included in the Unaudited Condensed Consolidated Statements of Operations:
Three Months EndedSix Months Ended
March 31,March 31,
(Thousands)Income Statement Location2022202120222021
Operating lease cost (1)
Operation and maintenance$2,915 1,356 $5,034 $3,445 
Finance lease cost
Amortization of right-of-use assetsDepreciation and amortization$457 $1,191 853 2,437 
Interest on lease liabilitiesInterest expense, net of capitalized interest104 113 184 334 
Total finance lease cost561 1,304 1,037 2,771 
Short-term lease costOperation and maintenance12 127 23 254 
Variable lease costOperation and maintenance172 549 363 702 
Total lease cost$3,660 $3,336 $6,457 $7,172 
(1)Net of capitalized costs.
The following table presents supplemental cash flow information related to leases:
Six Months Ended
March 31,
(Thousands)20222021
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for operating leases$3,557 $2,932 
Operating cash flows for finance leases$404 $791 
Financing cash flows for finance leases$3,947 $5,690 
Assets and Liabilities, Lessee
The following table presents the balance and classifications of the Company's right of use assets and lease liabilities included in the Unaudited Condensed Consolidated Balance Sheets:
(Thousands)Balance Sheet LocationMarch 31, 2022September 30,
2021
Assets
Noncurrent
Operating lease assetsOperating lease assets$171,207 $173,928 
Finance lease assetsUtility plant22,828 13,489 
Total lease assets$194,035 $187,417 
Liabilities
Current
Operating lease liabilitiesOperating lease liabilities$4,878 $4,300 
Finance lease liabilitiesCurrent maturities of long-term debt6,443 5,393 
Noncurrent
Operating lease liabilitiesOperating lease liabilities140,036 141,363 
Finance lease liabilitiesLong-term debt27,045 14,742 
Total lease liabilities$178,402 $165,798