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LEASES (Tables) | 6 Months Ended
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Mar. 31, 2021
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 | Six Months Ended
|  | March 31, | March 31,
(Thousands) | Income Statement Location | 2021 | 2020 | 2021 | 2020 |  |
Operating lease cost (1) | Operation and maintenance | $ | 1,356 |  | 1,719 |  | 3,445 |  | 3,111 |  |  |
Finance lease cost |  |  |  |  |  |  |
Amortization of right-of-use assets | Depreciation and amortization | $ | 1,191 |  | $ | 1,299 |  | $ | 2,437 |  | $ | 2,460 |  |  |
Interest on lease liabilities | Interest expense, net of capitalized interest | 113 |  | 301 |  | 334 |  | 548 |  |  |
Total finance lease cost |  | 1,304 |  | 1,600 |  | 2,771 |  | 3,008 |  |  |
Short-term lease cost | Operation and maintenance | 127 |  | 172 |  | 254 |  | 626 |  |  |
Variable lease cost | Operation and maintenance | 549 |  | 403 |  | 702 |  | 1,110 |  |  |
Total lease cost |  | $ | 3,336 |  | $ | 3,894 |  | $ | 7,172 |  | $ | 7,855 |  |  |
(1)Net of capitalized costs. The following table presents supplemental cash flow information related to leases:
| Six Months Ended
| March 31,
(Thousands) | 2021 | 2020 |  |
Cash paid for amounts included in the measurement of lease liabilities |  |  |  |
Operating cash flows for operating leases | $ | 2,932 |  | $ | 2,856 |  |  |
Operating cash flows for finance leases | $ | 791 |  | $ | 704 |  |  |
Financing cash flows for finance leases | $ | 5,690 |  | $ | 4,038 |  |  |
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 | March 31, 2021 | September 30, 2020 |
Assets |  |  |  |
Noncurrent |  |  |  |
Operating lease assets | Operating lease assets | $ | 144,326 |  | $ | 131,769 |  |
Finance lease assets | Utility plant | 61,432 |  | 71,085 |  |
Total lease assets |  | $ | 205,758 |  | $ | 202,854 |  |
Liabilities |  |  |  |
Current |  |  |  |
Operating lease liabilities | Operating lease liabilities | $ | 4,001 |  | $ | 6,724 |  |
Finance lease liabilities | Current maturities of long-term debt | 5,855 |  | 10,416 |  |
Noncurrent |  |  |  |
Operating lease liabilities | Operating lease liabilities | 111,034 |  | 95,030 |  |
Finance lease liabilities | Long-term debt | 62,334 |  | 63,743 |  |
Total lease liabilities |  | $ | 183,224 |  | $ | 175,913 |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- References No definition available. + Details
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