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Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2019
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 2,006.6 | $ 2,200.2 |
Cost of sales | 1,008.0 | 1,425.0 |
Operating income (loss) | 377.2 | 167.7 |
Income from equity investees | 6.5 | 1.5 |
Loss on extinguishments of debt | 0.0 | (6.1) |
Other non-operating (expense) income, net | (11.5) | 9.0 |
Earnings (loss) before interest expense and income taxes | 372.2 | 172.1 |
Interest expense | (84.1) | (60.2) |
Income before income taxes | 288.1 | 111.9 |
Noncontrolling interests’ net income (loss) | 0.0 | 24.3 |
Depreciation and amortization | 119.4 | 111.2 |
Capital expenditures (including the effects of accruals) | 151.8 | 161.8 |
Total assets | 14,285.7 | 12,368.3 | $ 13,346.6
Short-term borrowings | 869.7 | 676.3 | 796.3
Goodwill | 3,482.9 | 3,154.8 | $ 3,456.4
Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | (79.7) | (111.6) |
Cost of sales | (79.1) | (110.8) |
Operating income (loss) | 0.3 | 0.4 |
Income from equity investees | 0.0 | 0.0 |
Loss on extinguishments of debt |  | 0.0 |
Other non-operating (expense) income, net | 0.0 | 0.0 |
Earnings (loss) before interest expense and income taxes | 0.3 | 0.4 |
Interest expense | 0.0 | 0.0 |
Income before income taxes | 0.3 | 0.4 |
Noncontrolling interests’ net income (loss) |  | 0.0 |
Depreciation and amortization | 0.0 | 0.0 |
Capital expenditures (including the effects of accruals) | 0.0 | 0.0 |
Total assets | (365.5) | (144.3) |
Short-term borrowings | 0.0 | 0.0 |
Goodwill | 0.0 | 0.0 |
Eliminations | AmeriGas Propane |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0.0 | 0.0 |
Eliminations | UGI International |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0.0 | 0.0 |
Eliminations | Midstream & Marketing |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 64.2 | 86.9 |
Eliminations | UGI Utilities |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 14.7 | 23.6 |
Corporate, Intersegment Eliminations & Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0.8 | 1.1 |
Operating Segments | AmeriGas Propane |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 730.4 | 820.2 |
Cost of sales | 289.2 | 378.5 |
Operating income (loss) | 165.3 | 166.6 |
Income from equity investees | 0.0 | 0.0 |
Loss on extinguishments of debt |  | 0.0 |
Other non-operating (expense) income, net | 0.0 | 0.0 |
Earnings (loss) before interest expense and income taxes | 165.3 | 166.6 |
Interest expense | (42.5) | (42.4) |
Income before income taxes | 122.8 | 124.2 |
Noncontrolling interests’ net income (loss) |  | 81.5 |
Depreciation and amortization | 43.9 | 45.7 |
Capital expenditures (including the effects of accruals) | 38.5 | 31.0 |
Total assets | 4,609.4 | 4,020.6 |
Short-term borrowings | 321.0 | 368.5 |
Goodwill | 2,003.0 | 2,003.0 |
Operating Segments | UGI International |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 651.4 | 710.7 |
Cost of sales | 368.4 | 448.6 |
Operating income (loss) | 95.8 | 58.3 |
Income from equity investees | 0.0 | 0.0 |
Loss on extinguishments of debt |  | 0.0 |
Other non-operating (expense) income, net | 4.4 | 0.7 |
Earnings (loss) before interest expense and income taxes | 100.2 | 59.0 |
Interest expense | (7.6) | (5.4) |
Income before income taxes | 92.6 | 53.6 |
Noncontrolling interests’ net income (loss) |  | 0.1 |
Depreciation and amortization | 31.2 | 31.4 |
Capital expenditures (including the effects of accruals) | 20.3 | 27.8 |
Total assets | 3,243.3 | 3,287.5 |
Short-term borrowings | 181.3 | 1.8 |
Goodwill | 956.8 | 951.9 |
Operating Segments | Midstream & Marketing |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 372.5 | 459.4 |
Revenues | 308.3 | 372.5 |
Cost of sales | 264.2 | 377.5 |
Operating income (loss) | 55.1 | 41.1 |
Income from equity investees | 6.5 | 1.5 |
Loss on extinguishments of debt |  | 0.0 |
Other non-operating (expense) income, net | 0.0 | 0.0 |
Earnings (loss) before interest expense and income taxes | 61.6 | 42.6 |
Interest expense | (11.5) | (0.5) |
Income before income taxes | 50.1 | 42.1 |
Noncontrolling interests’ net income (loss) |  | 0.0 |
Depreciation and amortization | 18.4 | 11.5 |
Capital expenditures (including the effects of accruals) | 22.5 | 25.1 |
Total assets | 2,859.6 | 1,504.9 |
Short-term borrowings | 88.4 | 10.0 |
Goodwill | 341.0 | 17.8 |
Operating Segments | UGI Utilities |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 329.3 | 322.7 |
Revenues | 314.6 | 299.1 |
Cost of sales | 151.6 | 159.5 |
Operating income (loss) | 91.8 | 77.0 |
Income from equity investees | 0.0 | 0.0 |
Loss on extinguishments of debt |  | 0.0 |
Other non-operating (expense) income, net | (0.2) | 0.4 |
Earnings (loss) before interest expense and income taxes | 91.6 | 77.4 |
Interest expense | (13.6) | (11.7) |
Income before income taxes | 78.0 | 65.7 |
Noncontrolling interests’ net income (loss) |  | 0.0 |
Depreciation and amortization | 25.7 | 22.5 |
Capital expenditures (including the effects of accruals) | 70.5 | 77.3 |
Total assets | 3,710.9 | 3,424.8 |
Short-term borrowings | 279.0 | 296.0 |
Goodwill | 182.1 | 182.1 |
Corporate & Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1.9 | (2.3) |
Cost of sales | 13.7 | 171.7 |
Operating income (loss) | (31.1) | (175.7) |
Income from equity investees | 0.0 | 0.0 |
Loss on extinguishments of debt |  | (6.1) |
Other non-operating (expense) income, net | (15.7) | 7.9 |
Earnings (loss) before interest expense and income taxes | (46.8) | (173.9) |
Interest expense | (8.9) | (0.2) |
Income before income taxes | (55.7) | (174.1) |
Noncontrolling interests’ net income (loss) |  | (57.3) |
Depreciation and amortization | 0.2 | 0.1 |
Capital expenditures (including the effects of accruals) | 0.0 | 0.6 |
Total assets | 228.0 | 274.8 |
Short-term borrowings | 0.0 | 0.0 |
Goodwill | $ 0.0 | 0.0 |
Corporate & Other | AmeriGas Propane |  |  |
Segment Reporting Information [Line Items] |  |  |
Loss on extinguishments of debt |  | 0.0 |
Corporate & Other | UGI International |  |  |
Segment Reporting Information [Line Items] |  |  |
Loss on extinguishments of debt |  | (6.1) |
Corporate & Other | Midstream & Marketing |  |  |
Segment Reporting Information [Line Items] |  |  |
Loss on extinguishments of debt |  | $ 0.0 |

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