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Nature of Operations (Details) $ in Millions | 3 Months Ended
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Dec. 31, 2015 USD ($) county | Dec. 31, 2014 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
General Partner held a general partner interest in AmeriGas Partners | 1.00% |
Percentage of limited partnership interest in AmeriGas Partners | 25.30% |
Effective ownership interest in AmeriGas OLP | 27.10% |
General public as limited partner interests in AmeriGas Partners | 73.70% |
General Partner incentive distribution | $ | $ 8.6 | $ 6.5
Number of counties of operation | county | 1 |

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