XML 127 R88.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Common Stock And Equity Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 30, 2014 | Jan. 24, 2013 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2004 | Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Treasury stock acquired (in usd) |  |  |  | $ 44.9 |  | $ 44.7 |  |  |
Pre-tax equity-based compensation expense |  |  |  | 29.2 |  | 25.8 | $ 17.6 |  |
After tax equity-based compensation expense |  |  |  | 18.9 |  | 16.6 | 11.4 |  |
Cash received from stock option exercises |  |  |  | 16.2 |  | 22.2 | 30.8 |  |
Associated tax benefits |  |  |  | 5.8 |  | $ 13.0 | $ 12.1 |  |
Unrecognized compensation cost associated with unvested unit awards |  |  |  | $ 5.2 |  |  |  |  |
Weighted-average period of recognition for unvested unit awards |  |  |  | 1 year 10 months 18 days |  |  |  |  |
UGI Stock Option Awards |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Weighted-average fair value of stock option granted under stock plans |  |  |  | $ 5.47 |  | $ 4.97 | $ 3.29 |  |
Amerigas Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Unrecognized compensation cost associated with unvested unit awards |  |  |  | $ 2.7 |  |  |  |  |
Weighted-average period of recognition for unvested unit awards |  |  |  | 1 year 7 months 18 days |  |  |  |  |
UGI Unit awards outstanding |  |  |  | 192,583 |  | 200,235 |  |  |
Fair value of unit awards vested |  |  |  | $ 2.6 |  | $ 4.1 | $ 2.8 |  |
Liabilities associated with share based compensation |  |  |  | $ 3.3 |  | $ 1.5 |  |  |
AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Expected term of Performance Unit awards |  |  |  |  |  | 3 years |  |  |
UGI Units awarded (in units) |  |  |  | 65,525 |  |  |  |  |
Weighted average grant date fair value unit awards (in usd per unit) |  |  |  | $ 64.02 |  |  |  |  |
AmeriGas Performance Unit | Minimum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 0.00% |  |  |  |  |
AmeriGas Performance Unit | Maximum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
AmeriGas Partners Common Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
UGI Units awarded (in units) |  |  |  | 14,811 |  |  |  |  |
Weighted average grant date fair value unit awards (in usd per unit) |  |  |  | $ 47.65 |  |  |  |  |
UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Unrecognized compensation cost associated with unvested unit awards |  |  |  | $ 6.9 |  |  |  |  |
Weighted-average period of recognition for unvested unit awards |  |  |  | 1 year 8 months 12 days |  |  |  |  |
UGI Units awarded (in units) |  |  |  | 180,724 |  | 234,264 | 381,900 |  |
Weighted average grant date fair value unit awards (in usd per unit) |  |  |  | $ 38.20 |  | $ 31.38 | $ 24.87 |  |
UGI Unit awards outstanding |  |  |  | 1,136,251 |  | 1,306,181 |  |  |
Fair value of unit awards vested |  |  |  | $ 15.3 |  | $ 8.7 | $ 6.0 |  |
Liabilities associated with share based compensation |  |  |  | $ 19.9 |  | $ 18.5 |  |  |
Award performance period |  |  |  | 3 years |  |  |  |  |
UGI Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
UGI Units awarded (in units) |  |  |  | 39,801 | [1] | 44,814 | 51,038 |  |
Weighted average grant date fair value unit awards (in usd per unit) | [1] |  |  | $ 37.39 |  |  |  |  |
UGI Performance Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Weighted-average fair value of stock option granted under stock plans |  |  |  | $ 38.43 |  | $ 32.32 | $ 25.31 |  |
Expected term of Performance Unit awards |  |  |  | 3 years |  |  |  |  |
UGI Units awarded (in units) |  |  |  | 140,923 |  |  |  |  |
Weighted average grant date fair value unit awards (in usd per unit) |  |  |  | $ 38.43 |  |  |  |  |
2010 Propane Plan | Amerigas Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Expiration period (in years) |  |  |  | 10 years |  |  |  |  |
Common Stock awards granted |  |  |  |  |  |  |  |  | 2,800,000
Award performance period |  |  |  | 3 years |  |  |  |  |
2010 Propane Plan | AmeriGas Partners Common Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Weighted-average fair value of stock option granted under stock plans |  |  |  | $ 61.00 |  | $ 43.34 | $ 42.58 |  |
UGI Units awarded (in units) |  |  |  | 80,336 |  | 86,458 | 65,136 |  |
Number of common unit awards available for future grant |  |  |  | 2,416,473 |  |  |  |  |
Issued prior to January 1, 2013 | UGI Performance Units and Stock Units | Minimum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 0.00% |  |  |  |  |
Issued prior to January 1, 2013 | UGI Performance Units and Stock Units | Maximum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
Issued on or after January 1, 2013 | UGI Performance Units and Stock Units | Minimum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 0.00% |  |  |  |  |
Issued on or after January 1, 2013 | UGI Performance Units and Stock Units | Maximum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
Issued January 2015 | AmeriGas Performance Unit | Minimum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 0.00% |  |  |  |  |
Modification range for grants issued in January 2015 |  |  |  | 70.00% |  |  |  |  |
Issued January 2015 | AmeriGas Performance Unit | Maximum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
Modification range for grants issued in January 2015 |  |  |  | 130.00% |  |  |  |  |
UGI Corporation Common Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Maximum number of shares authorized for repurchase |  | 15,000,000 |  |  |  |  |  |  |
Duration of stock repurchase program (in years) |  | 4 years |  |  |  |  |  |  |
Treasury stock acquired (in usd) |  | $ 34.1 |  |  |  | $ 39.8 |  |  |
UGI Corporation Common Stock | 2013 Omnibus Incentive Compensation Plan (OICP) |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Expiration period (in years) |  |  | 10 years |  |  |  |  |  |
Common Stock awards granted |  |  | 21,750,000 |  |  |  |  |  |
Number of common unit awards available for future grant |  |  |  | 15,528,898 |  |  |  |  |
UGI Corporation Common Stock | 2004 Omnibus Equity Compensation Plan (OECP) |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Expiration period (in years) |  |  |  |  |  |  |  | 10 years |
Number of common unit awards available for future grant |  |  |  | 34,774 |  |  |  |  |
UGI Corporation Common Stock | Treasury Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Treasury stock acquired (in shares) |  |  |  | (1,000,000) |  | (1,227,654) |  |  |
Total Unitholder Return at 25th Percentile | Issued on or after January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 25.00% |  |  |  |  |
Total Unitholder Return at 25th Percentile | Issued on or after January 1, 2013 | UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 25.00% |  |  |  |  |
Total Unitholder Return at 40th Percentile | Issued prior to January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 50.00% |  |  |  |  |
Total Unitholder Return at 40th Percentile | Issued prior to January 1, 2013 | UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 50.00% |  |  |  |  |
Total Unitholder Return at 40th Percentile | Issued on or after January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 70.00% |  |  |  |  |
Total Unitholder Return at 40th Percentile | Issued on or after January 1, 2013 | UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 70.00% |  |  |  |  |
Total Unitholder Return at 50th Percentile | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 100.00% |  |  |  |  |
Total Unitholder Return at 50th Percentile | Issued prior to January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 100.00% |  |  |  |  |
Total Unitholder Return at 50th Percentile | Issued prior to January 1, 2013 | UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 100.00% |  |  |  |  |
Total Unitholder Return at 50th Percentile | Issued on or after January 1, 2013 | UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 100.00% |  |  |  |  |
Total Unitholder Return at 60th Percentile | Issued prior to January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 125.00% |  |  |  |  |
Total Unitholder Return at 60th Percentile | Issued on or after January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 125.00% |  |  |  |  |
Total Unitholder Return at 75th Percentile | Issued prior to January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 150.00% |  |  |  |  |
Total Unitholder Return at 75th Percentile | Issued on or after January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 162.50% |  |  |  |  |
Total Unitholder Return at 90th Percentile | Issued prior to January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 175.00% |  |  |  |  |
Total Unitholder Return at 90th Percentile | Issued on or after January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
Total Unitholder Return at 90th Percentile | Issued on or after January 1, 2013 | UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
Total Unitholder Return at 100th Percentile | Issued prior to January 1, 2013 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
Total Unitholder Return at 100th Percentile | Issued prior to January 1, 2013 | UGI Performance Units and Stock Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 200.00% |  |  |  |  |
Total Unitholder Return Highest of Propane MLP Group | Certain Grants Issued on or After January 1, 2014 | AmeriGas Performance Unit |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |
Percentage of target award to be granted |  |  |  | 150.00% |  |  |  |  |
[1] | Generally, shares granted under UGI Stock Unit awards are paid approximately 70% in shares. UGI Stock Unit awards granted in Fiscal 2014 and Fiscal 2013 were 44,814 and 51,038, respectively.

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Award Performance Period + References No definition available. + Details
Name: | ugi_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardPerformancePeriod
Namespace Prefix: | ugi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Percentage Modification Based on Total Unitholder Return Ranking + References No definition available. + Details
Name: | ugi_SharebasedCompensationArrangementbySharebasedPaymentAwardPercentageModificationBasedonTotalUnitholderReturnRanking
Namespace Prefix: | ugi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Target Award to be Granted + References No definition available. + Details
Name: | ugi_SharebasedCompensationArrangementbySharebasedPaymentAwardPercentageofTargetAwardtobeGranted
Namespace Prefix: | ugi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References No definition available. + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramPeriodInForce1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 + Details
Name: | us-gaap_TreasuryStockValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ugi_AmerigasPerformanceUnitsAndStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ugi_AmeriGasPerformanceUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ugi_AmeriGasPartnersCommonUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ugi_UgiPerformanceUnitsAndStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ugi_UgiStockUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ugi_UgiPerformanceUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=ugi_TwoThousandTenPropanePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=ugi_GrantsIssuedBeforeJanuary12013Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=ugi_IssuedonorafterJanuary12013Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=ugi_GrantsIssuedInJanuaryTwentyFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=ugi_A2013OmnibusIncentiveCompensationPlanOICPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=ugi_A2004OmnibusEquityCompensationPlanOECPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_TreasuryStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=ugi_SharebasedCompensationAwardTrancheFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=ugi_SharebasedCompensationAwardTrancheFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=ugi_SharebasedCompensationAwardTrancheSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=ugi_SharebasedCompensationAwardTrancheSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=ugi_SharebasedCompensationAwardTrancheEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=ugi_CertainGrantsIssuedonorAfterJanuary12014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |