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v3.19.1

Segment Information - Reconciliation of Partnership Adjusted EBITDA (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | $ (108.9) | $ (112.2) | $ (220.1) | $ (222.5)
Interest expense | (61.0) | (58.1) | (121.2) | (116.3)
Income (loss) before income taxes | 487.3 | 521.1 | $ 599.2 | 850.9
AmeriGas Propane | AmeriGas OLP |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
General partnership interest (percentage) |  |  | 1.01% |
Operating Segments | AmeriGas Propane |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Partnership Adjusted EBITDA | 290.3 | 309.5 | $ 500.9 | 503.6
Depreciation and amortization | (44.3) | (45.2) | (90.0) | (92.6)
Interest expense | (42.2) | (41.0) | (84.6) | (81.6)
Merger expense | (0.9) | 0.0 | (0.9) | 0.0
Noncontrolling interest | 1.3 | 2.3 | 3.0 | 3.5
Income (loss) before income taxes | 204.2 | 225.6 | 328.4 | 332.9
Corporate & Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | (0.3) | (0.3) | (0.4) | (0.5)
Interest expense | 0.0 | (0.1) | (0.2) | (0.3)
Income (loss) before income taxes | (0.9) | (53.9) | (168.9) | (52.2)
Gains (losses) on unsettled commodity derivative instruments, net | $ 4.7 | $ (48.1) | $ (161.2) | $ (41.5)

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- Definition Gains (Losses) On Unsettled Commodity Derivative Instruments, Net + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(10)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(15)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(8)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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- Definition Interest and debt related expenses associated with nonoperating financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Definition Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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