Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Net income	$ 186.6	$ 308.2	$ 355.7
Net losses on derivative instruments (net of tax of $44.8, $(15.4) and $(29.2), respectively)	(127.1)	(10.8)	(16.8)
Reclassifications of net losses on derivative instruments (net of tax of $(36.9), $(20.4) and $(25.3), respectively)	87.9	11.8	22.9
Foreign currency translation adjustments (net of tax of $3.6, $4.5 and $7.9, respectively)	(20.6)	(14.0)	(39.4)
Foreign currency gains and losses on long-term intra-company transactions (net of tax of $0.7, $0.4 and $0.0, respectively)	(1.7)	(0.8)	0
Benefit plans (net of tax of $6.0, $(0.1) and $12.7, respectively)	(11.5)	0.1	(18.7)
Reclassification of benefit plans actuarial losses and prior service costs to net income (net of tax of $(0.5), $(0.4) and $(2.9), respectively)	0.7	0.6	4.2
Reclassification of pension plans actuarial losses and prior service costs to regulatory assets (net of tax of $(59.1))	0	0	83.3
Comprehensive income	114.3	295.1	391.2
Add comprehensive loss (deduct comprehensive income) attributable to noncontrolling interests, principally in AmeriGas Partners	38.9	(69.8)	(101.4)
Comprehensive income attributable to UGI Corporation	$ 153.2	$ 225.3	$ 289.8