Condensed Consolidated Statements of Income (unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended			9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015		Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenues	$ 1,130.8	$ 1,148.1	[1]	$ 4,709.5	$ 5,608.3	[1]
Costs and expenses:
Cost of sales (excluding depreciation shown below)	433.0	586.4	[1]	1,943.9	3,196.4	[1]
Operating and administrative expenses	445.5	419.8		1,390.6	1,322.1
Utility taxes other than income taxes	4.0	3.7		12.2	12.6
Depreciation	82.8	77.2		251.9	226.8
Amortization	15.3	15.3		47.5	44.7
Other operating income, net	(5.5)	(10.4)		(13.2)	(35.8)
Total costs and expenses	975.1	1,092.0		3,632.9	4,766.8
Operating income	155.7	56.1	[1]	1,076.6	841.5	[1]
Loss from equity investees	0.0	0.0		(0.1)	(1.1)	[1]
Loss on extinguishments of debt	(37.1)	0.0		(37.1)	0.0
Interest expense	(56.4)	(67.5)	[1]	(171.6)	(184.7)	[1]
Income (loss) before income taxes	62.2	(11.4)	[1]	867.8	655.7	[1]
Income tax expense	(33.6)	(4.5)		(263.3)	(189.2)
Net income (loss) including noncontrolling interests	28.6	(15.9)		604.5	466.5
Add net loss (deduct net income) attributable to noncontrolling interests, principally in AmeriGas Partners	32.1	25.5	[1]	(196.0)	(176.3)	[1]
Net income attributable to UGI Corporation	$ 60.7	$ 9.6		$ 408.5	$ 290.2
Earnings per common share attributable to UGI Corporation stockholders:
Basic (in dollars per share)	$ 0.35	$ 0.06		$ 2.36	$ 1.68
Diluted (in dollars per share)	$ 0.34	$ 0.05		$ 2.33	$ 1.65
Weighted-average common shares outstanding (thousands):
Basic (in shares)	173,395	173,136		172,954	173,060
Diluted (in shares)	175,974	175,580		175,260	175,665
Dividends declared per common share (in dollars per share)	$ 0.2375	$ 0.2275		$ 0.6925	$ 0.6625

[1] Certain amounts have been restated to reflect the current-year changes in our segment presentation as described above.