XML 56 R42.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Utility Regulatory Assets and Liabilities and Regulatory Matters - Regulatory Assets and Liabilities Associated with Gas Utility and Electric Utility (Details) - USD ($) $ in Millions | Mar. 31, 2016 | Sep. 30, 2015 | Mar. 31, 2015
--- | --- | --- | ---
Regulatory Assets And Liabilities |  |  |  |
Regulatory assets |  | $ 348.2 | $ 304.2 | $ 252.6
Regulatory liabilities | [1] | 66.8 | 71.0 | 72.6
Postretirement benefits |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory liabilities | [1] | 19.3 | 20.0 | 19.3
Deferred fuel and power refunds |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory liabilities | [1] | 30.8 | 36.6 | 40.6
State tax benefits—distribution system repairs |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory liabilities | [1] | 14.2 | 13.3 | 10.6
Other |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory liabilities | [1] | 2.5 | 1.1 | 2.1
Income taxes recoverable |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory assets |  | 118.2 | 115.9 | 111.5
Underfunded pension and postretirement plans |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory assets |  | 135.8 | 140.8 | 105.5
Environmental costs |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory assets | [2] | 60.5 | 20.0 | 14.1
Removal costs, net |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory assets |  | 25.0 | 21.2 | 18.4
Other |  |  |  |
Regulatory Assets And Liabilities |  |  |  |
Regulatory assets |  | $ 8.7 | $ 6.3 | $ 3.1
[1] | Regulatory liabilities are recorded in other current and other noncurrent liabilities on the Condensed Consolidated Balance Sheets.
[2] | Environmental costs at March 31, 2016, include amounts probable of recovery recorded in conjunction with UGI Gas’ Consent Order and Agreement with the Pennsylvania Department of Environmental Protection (see Note 9).

X
- Definition Regulatory Assets And Liabilities [Line Items] + References No definition available. + Details
Name: | ugi_RegulatoryAssetsAndLiabilitiesLineItems
Namespace Prefix: | ugi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
Name: | us-gaap_RegulatoryAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 405 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394 + Details
Name: | us-gaap_RegulatoryLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=us-gaap_PostretirementBenefitCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=ugi_DeferredFuelAndPowerRefundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=us-gaap_DeferredIncomeTaxChargesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAssetAxis=ugi_IncomeTaxesRecoverableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAssetAxis=us-gaap_PensionCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAssetAxis=us-gaap_EnvironmentalRestorationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAssetAxis=ugi_RemovalCostsNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAssetAxis=ugi_OtherRegulatoryAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |