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LEASES (Tables) | 9 Months Ended
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Jun. 30, 2023
Leases [Abstract] |
Lease, Cost | The following table presents the Company's lease costs included in the Unaudited Condensed Consolidated Statements of Operations:
|  | Three Months Ended | Nine Months Ended
|  | June 30, | June 30,
(Thousands) | Income Statement Location | 2023 | 2022 | 2023 | 2022
Operating lease cost (1) | Operation and maintenance | $ | 2,276 |  | $ | 2,343 |  | $ | 7,000 |  | $ | 7,377 |
Finance lease cost (2) |  |  |  |  |
Amortization of right-of-use assets | Depreciation and amortization | 540 |  | 458 |  | 1,565 |  | 1,311 |
Interest on lease liabilities | Interest expense, net of capitalized interest | 283 |  | 220 |  | 816 |  | 404 |
Total finance lease cost |  | 823 |  | 678 |  | 2,381 |  | 1,715 |
Short-term lease cost | Operation and maintenance | — |  | — |  | — |  | 23 |
Variable lease cost | Operation and maintenance | 158 |  | 182 |  | 653 |  | 545 |
Total lease cost |  | $ | 3,257 |  | $ | 3,203 |  | $ | 10,034 |  | $ | 9,660 |
(1)Net of capitalized costs. (2)Includes immaterial costs associated with the sale leaseback of natural gas meters, certain of which are considered financing transactions for accounting purposes. The following table presents supplemental cash flow information related to leases:
| Nine Months Ended
| June 30,
(Thousands) | 2023 | 2022
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows for operating leases | $ | 5,739 |  | $ | 5,205 |
Operating cash flows for finance leases (1) | $ | 816 |  | $ | 623 |
Financing cash flows for finance leases (1) | $ | 5,470 |  | $ | 5,540 |
(1)Includes immaterial activity associated with the sale leaseback of natural gas meters, certain of which are considered financing transactions for accounting purposes.
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 Location | June 30, 2023 | September 30, 2022
Assets |  |  |
Noncurrent |  |  |
Operating lease assets | Operating lease assets | $ | 164,119 |  | $ | 168,520 |
Finance lease assets (1) | Utility plant | 28,788 |  | 21,913 |
Total lease assets (1) |  | $ | 192,907 |  | $ | 190,433 |
Liabilities |  |  |
Current |  |  |
Operating lease liabilities | Operating lease liabilities | $ | 5,273 |  | $ | 4,562 |
Finance lease liabilities (1) | Current maturities of long-term debt | 8,626 |  | 6,538 |
Noncurrent |  |  |
Operating lease liabilities | Operating lease liabilities | 135,916 |  | 138,382 |
Finance lease liabilities (1) | Long-term debt | 24,635 |  | 23,752 |
Total lease liabilities (1) |  | $ | 174,450 |  | $ | 173,234 |
(1)Includes immaterial amounts associated with the sale leaseback of natural gas meters, certain of which are considered financing transactions for accounting purposes.

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- Definition Assets And Liabilities, Lessee [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- References No definition available. + Details
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