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Utility Regulatory Assets and Liabilities and Regulatory Matters (Details) - UGI Utilities - USD ($) $ in Millions | Jun. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2018
--- | --- | --- | ---
Regulatory Assets |  |  |
Regulatory assets | $ 300.6 | $ 301.0 | $ 360.1
Regulatory Liabilities |  |  |
Regulatory liabilities | 376.2 | 390.2 | 412.5
Postretirement benefits |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 16.5 | 17.8 | 16.9
Deferred fuel and power refunds |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 12.4 | 36.7 | 44.5
State tax benefits — distribution system repairs |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 25.2 | 22.6 | 20.7
PAPUC temporary rates order |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 25.4 | 24.4 | 24.1
Excess federal deferred income taxes |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 282.7 | 285.2 | 301.2
Other |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 14.0 | 3.5 | 5.1
Income taxes recoverable |  |  |
Regulatory Assets |  |  |
Regulatory assets | 123.9 | 110.1 | 130.0
Underfunded pension and postretirement plans |  |  |
Regulatory Assets |  |  |
Regulatory assets | 81.8 | 87.1 | 132.2
Environmental costs |  |  |
Regulatory Assets |  |  |
Regulatory assets | 56.6 | 58.8 | 59.8
Removal costs, net |  |  |
Regulatory Assets |  |  |
Regulatory assets | 29.3 | 32.0 | 31.0
Other |  |  |
Regulatory Assets |  |  |
Regulatory assets | $ 9.0 | $ 13.0 | $ 7.1

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