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v2.4.1.9

Nature of Operations (Details) (USD $) In Millions, except Share data, unless otherwise specified | 6 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
General Partner held a general partner interest in AmeriGas Partners | 1.00%ugi_GeneralPartnersInterestPercentage |
Percentage of limited partnership interest in AmeriGas Partners | 25.30%ugi_GeneralPartnerLimitedPartnerInterest |
Effective ownership interest in AmeriGas OLP | 27.10%ugi_GeneralPartnersEffectiveOwnershipPercentageInRelatedParties |
Limited Partnership Common Units held in AmeriGas Partners (in units) | 23,756,882 ugi_SubsidiaryCommonUnitsOwned |
General public as limited partner interests in AmeriGas Partners | 73.70%ugi_SubsidiaryPercentageCommonUnitsOwnedByPublic |
Common Units owned by public (in units) | 69,131,947 ugi_SubsidiaryCommonUnitsOwnedByPublic |
General Partner incentive distribution | $ 13.1 us-gaap_IncentiveDistributionDistributionPerYear | $ 10.8 us-gaap_IncentiveDistributionDistributionPerYear

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- Definition Amount of incentive obligation paid in cash or stock during the period to a limited liability corporation managing member or limited partnership general partner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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