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Utility Regulatory Assets and Liabilities and Regulatory Matters Schedule of Regulatory Assets and Liabilities (Details) - UGI Utilities - USD ($) $ in Millions | Mar. 31, 2020 | Sep. 30, 2019 | Mar. 31, 2019
--- | --- | --- | ---
Regulatory Assets |  |  |
Regulatory assets | $ 390.9 | $ 395.6 | $ 299.3
Regulatory Liabilities |  |  |
Regulatory liabilities | 345.9 | 358.8 | 379.5
Postretirement benefit overcollections |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 13.7 | 14.5 | 16.9
Deferred fuel and power refunds |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 11.3 | 6.1 | 17.7
State tax benefits — distribution system repairs |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 27.7 | 25.0 | 24.3
PAPUC Temporary Rates Order |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 15.4 | 31.3 | 25.1
Excess federal deferred income taxes |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 276.7 | 279.5 | 276.7
Other |  |  |
Regulatory Liabilities |  |  |
Regulatory liabilities | 1.1 | 2.4 | 18.8
Income taxes recoverable |  |  |
Regulatory Assets |  |  |
Regulatory assets | 127.3 | 115.2 | 120.3
Underfunded pension and postretirement plans |  |  |
Regulatory Assets |  |  |
Regulatory assets | 171.8 | 178.6 | 83.6
Environmental costs |  |  |
Regulatory Assets |  |  |
Regulatory assets | 56.8 | 59.5 | 58.8
Removal costs, net |  |  |
Regulatory Assets |  |  |
Regulatory assets | 24.5 | 28.3 | 30.1
Other |  |  |
Regulatory Assets |  |  |
Regulatory assets | $ 10.5 | $ 14.0 | $ 6.5

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