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Utility Regulatory Assets and Liabilities and Regulatory Matters Schedule of Regulatory Assets and Liabilities (Details) - UGI Utilities - USD ($) $ in Millions | Dec. 31, 2019 | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Regulatory Assets |  |  |
Regulatory assets | $ 390.5 | $ 395.6 | $ 298.8
Regulatory Liabilities |  |  |
Regulatory liabilities | 351.2 | 358.8 | 373.5
Postretirement benefit overcollections |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 14.1 | 14.5 | 17.3
Deferred fuel and power refunds |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 6.3 | 6.1 | 22.2
State tax benefits — distribution system repairs |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 26.3 | 25.0 | 23.5
PAPUC Temporary Rates Order |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 25.0 | 31.3 | 24.8
Excess federal deferred income taxes |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 278.1 | 279.5 | 280.9
Other |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 1.4 | 2.4 | 4.8
Income taxes recoverable |  |  |
Regulatory Assets |  |  |
Regulatory assets | 121.2 | 115.2 | 115.2
Underfunded pension and postretirement plans |  |  |
Regulatory Assets |  |  |
Regulatory assets | 175.2 | 178.6 | 85.3
Environmental costs |  |  |
Regulatory Assets |  |  |
Regulatory assets | 57.5 | 59.5 | 58.5
Removal costs, net |  |  |
Regulatory Assets |  |  |
Regulatory assets | 26.7 | 28.3 | 31.3
Other |  |  |
Regulatory Assets |  |  |
Regulatory assets | $ 9.9 | $ 14.0 | $ 8.5

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