Public Utilities, Approved Rate, Amount

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- Definition

Site Contingency, Recovery from Third Party of Environmental Remediation Cost, Period

+ References

No definition available.

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- Definition

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
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-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
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-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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- Definition

Best estimate of the reasonably possible loss exposure in excess of the amount accrued for damages pertaining to a specified product.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14362-108349

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q2)
-URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

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- Definition

Amount of public utility's interim rate increase (decrease) allowed while waiting final decision of regulatory agency.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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COMMITMENTS AND CONTINGENT LIABILITIES - LEGAL PROCEEDINGS (Details) - USD ($) $ in Thousands				6 Months Ended
	Apr. 12, 2023	Mar. 23, 2022	Apr. 07, 2021	Mar. 31, 2023	Sep. 30, 2022
Site Contingency [Line Items]
Manufactured gas plant remediation				$ 124,493	$ 127,060
Recovery from third party of environmental remediation cost, period				7 years
Regulatory assets				$ 501,829	$ 500,666
Expended, net of recoveries
Site Contingency [Line Items]
Regulatory assets				63,300
RAC
Site Contingency [Line Items]
Approved rate, amount		$ 11,700	$ 11,100
RAC \| Subsequent Event
Site Contingency [Line Items]
Approved rate, amount	$ 15,400
Interim rate increase (decrease), amount	$ 3,700
Minimum
Site Contingency [Line Items]
Product liability contingency, loss exposure in excess of accrual, best estimate				110,800
Maximum
Site Contingency [Line Items]
Product liability contingency, loss exposure in excess of accrual, best estimate				$ 167,100