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Segment Information (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 Reportable_Segments States | Sep. 30, 2012
Segment Reporting [Abstract] |  |  |
Number of Reportable Segments |  | 6 |
Number of states to which product sale with propane revenue |  | 50 |
General Partner's interest in AmeriGas OLP |  | 1.01% |
Gains (Losses) On Unsettled Commodity Derivative Instruments, Net | $ (18.0) | $ 7.4 | $ 15.1

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- Definition Gains (Losses) On Unsettled Commodity Derivative Instruments, Net + References No definition available. + Details
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- Definition Limited liability company LLC or limited partnership LP managing member or general partner ownership interest percentage. + References No definition available. + Details
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- Definition Number Of States To Which Product Sale With Propane Revenue + References No definition available. + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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- Details
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