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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Target Award to be Granted

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- 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=96867065&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=96867065&loc=d3e5070-113901

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- 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.

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No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable after one year (or the operating cycle, if longer).

+ References

No definition available.

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- 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=96867065&loc=d3e5070-113901

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- 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.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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=96867065&loc=d3e5070-113901

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- 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=96867065&loc=d3e5070-113901

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- 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.

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Equity-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award
Number of equity-based units for unrecognized compensation expense (in units)	52,224	57,783
Share Based Compensation Types, Excluding Stock Options \| UGI Omnibus Equity Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting period (in years)	3 years
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Exercise period after grant date - no more than (in years)	10 years
Performance Unit \| UGI Units and UGI Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Allocated share-based compensation expense	$ 1,461	$ 1,924	$ 1,847
Allocated share-based compensation expense, after-tax	$ 855	1,126	$ 1,081
Performance Unit \| UGI Units and UGI Stock Options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Percent of target award paid to grantee	0.00%
Performance Unit \| UGI Units and UGI Stock Options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Percent of target award paid to grantee	200.00%
Performance Unit \| UGI Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Nonvested awards, total compensation cost not yet recognized	$ 1,167
Nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 10 months 24 days
Performance Unit \| UGI Units
Share-based Compensation Arrangement by Share-based Payment Award
Nonvested awards, total compensation cost not yet recognized	$ 1,029
Nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 9 months
Number of equity-based units for unrecognized compensation expense (in units)	45,588
Performance Unit \| UGI Units \| Other Current Liabilities
Share-based Compensation Arrangement by Share-based Payment Award
Deferred compensation arrangements, liability, current	$ 533
Performance Unit \| UGI Units \| Other Noncurrent Liabilities
Share-based Compensation Arrangement by Share-based Payment Award
Deferred compensation arrangements, liability, noncurrent		$ 1,304