Condensed Consolidated Balance Sheets (unaudited) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 348.1	$ 319.9	$ 229.0
Restricted cash	6.9	3.0	22.3
Accounts receivable (less allowances for doubtful accounts of $39.9, $36.1 and $38.4, respectively)	999.2	632.6	842.9
Accrued utility revenues	59.0	16.9	53.8
Inventories	378.5	356.9	390.7
Deferred income taxes	57.6	56.8	66.5
Utility regulatory assets	3.6	6.5	8.1
Derivative financial instruments	9.3	13.2	13.4
Prepaid expenses and other current assets	57.5	98.7	41.3
Total current assets	1,919.7	1,504.5	1,668.0
Property, plant and equipment, at cost (less accumulated depreciation and amortization of $2,359.1, $2,286.0 and $2,113.8, respectively)	4,270.8	4,233.1	3,273.8
Goodwill	2,835.0	2,818.3	1,624.7
Intangible assets, net	646.8	658.2	159.7
Other assets	495.2	495.6	427.7
Total assets	10,167.5	9,709.7	7,153.9
Current liabilities:
Current maturities of long-term debt	164.4	166.7	46.8
Bank loans	333.2	165.1	421.9
Accounts payable	580.7	411.3	507.4
Derivative financial instruments	88.1	100.9	77.1
Other current liabilities	616.8	643.0	511.6
Total current liabilities	1,783.2	1,487.0	1,564.8
Long-term debt	3,358.4	3,347.6	2,115.7
Deferred income taxes	946.1	935.0	693.6
Deferred investment tax credits	4.5	4.6	4.9
Other noncurrent liabilities	629.8	616.7	575.2
Total liabilities	6,722.0	6,390.9	4,954.2
Commitments and contingencies (note 11)
UGI Corporation stockholders' equity
UGI Common Stock, without par value (authorized - 300,000,000 shares; issued - 115,623,094, 115,507,094 and 115,507,094 shares, respectively)	1,170.0	1,157.7	939.1
Retained earnings	1,238.1	1,166.1	1,143.6
Accumulated other comprehensive (loss) income	(43.7)	(62.0)	(61.8)
Treasury stock, at cost	(29.4)	(28.7)	(26.7)
Total UGI Corporation stockholders' equity	2,335.0	2,233.1	1,994.2
Noncontrolling interests, principally in AmeriGas Partners	1,110.5	1,085.7	205.5
Total equity	3,445.5	3,318.8	2,199.7
Total liabilities and equity	$ 10,167.5	$ 9,709.7	$ 7,153.9