Public Utility, Station Power Capacity

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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-Publisher FASB
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- Definition

The proportionate share of interest (percent) in a jointly owned utility plant.

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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.

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No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 842
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Amount of lessee's right to use underlying asset under operating lease.

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Summary of Significant Accounting Policies - (Narrative) (Details) $ in Millions		3 Months Ended		9 Months Ended
	Jul. 21, 2020 MW	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Oct. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease ROU assets		$ 397.4		$ 397.4
Lease Liabilities		404.0		404.0		$ 451.9
Impairment of assets held-for-sale		$ 51.6	$ 0.0	$ 51.6	$ 0.0
Subsequent Event \| Jointly Owned Electricity Generation Plant [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proportionate ownership share, percent	5.97%
Station power capacity \| MW	1,711
ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease ROU assets						$ 451.9
Affiliated Entity \| UGI Penn East LLC \| Penn East Pipeline Company LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity method investment ownership percent		20.00%		20.00%
Affiliated Entity \| Southern Company \| Penn East Pipeline Company LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity method investment ownership percent		20.00%		20.00%
Affiliated Entity \| New Jersey Resources \| Penn East Pipeline Company LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity method investment ownership percent		20.00%		20.00%
Affiliated Entity \| South Jersey Industries \| Penn East Pipeline Company LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity method investment ownership percent		20.00%		20.00%
Affiliated Entity \| Enbridge Inc \| Penn East Pipeline Company LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity method investment ownership percent		20.00%		20.00%