Condensed Consolidated Statements of Income (unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Revenues	$ 1,148.1	$ 1,486.7	$ 5,608.3	$ 6,965.9
Costs and expenses:
Cost of sales (excluding depreciation shown below)	586.4	926.5	3,196.4	4,357.7
Operating and administrative expenses	419.8	415.9	1,322.1	1,339.4
Utility taxes other than income taxes	3.7	3.7	12.6	12.7
Depreciation	77.2	74.6	226.8	230.0
Amortization	15.3	15.4	44.7	41.7
Other operating income, net	(10.4)	(12.1)	(35.8)	(30.6)
Total costs and expenses	1,092.0	1,424.0	4,766.8	5,950.9
Operating income	56.1	62.7	841.5	1,015.0
Loss from equity investees	0.0	(0.1)	(1.1)	(0.1)
Interest expense	(67.5)	(60.1)	(184.7)	(178.9)
(Loss) income before income taxes	(11.4)	2.5	655.7	836.0
Income tax expense	(4.5)	(15.2)	(189.2)	(243.4)
Net (loss) income	(15.9)	(12.7)	466.5	592.6
Add net loss (deduct net income) attributable to noncontrolling interests, principally in AmeriGas Partners	25.5	33.3	(176.3)	(235.6)
Net income attributable to UGI Corporation	$ 9.6	$ 20.6	$ 290.2	$ 357.0
Earnings per common share attributable to UGI Corporation stockholders:
Basic (in dollars per share)	$ 0.06	$ 0.12	$ 1.68	$ 2.07
Diluted (in dollars per share)	$ 0.05	$ 0.12	$ 1.65	$ 2.04
Average common shares outstanding (thousands):
Basic (in shares)	173,136	173,055	173,060	172,682
Diluted (in shares)	175,580	175,572	175,665	175,097
Dividends declared per common share (in dollars per share)	$ 0.2275	$ 0.1967	$ 0.6625	$ 0.5733