Condensed Consolidated Balance Sheets (unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Sep. 30, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 446.3	$ 319.9	$ 402.4
Restricted cash	2.8	3.0	16.8
Accounts receivable (less allowances for doubtful accounts of $47.1, $36.1 and $44.2, respectively)	1,124.8	632.6	1,000.8
Accrued utility revenues	48.9	16.9	25.5
Inventories	292.4	356.9	347.8
Deferred income taxes	35.9	56.8	48.6
Utility regulatory assets	1.1	6.5	3.6
Derivative financial instruments	17.3	13.2	12.1
Prepaid expenses and other current assets	52.1	98.7	63.1
Total current assets	2,021.6	1,504.5	1,920.7
Property, plant and equipment, at cost (less accumulated depreciation and amortization of $2,419.4, $2,286.0 and $2,186.3, respectively)	4,286.7	4,233.1	4,226.5
Goodwill	2,813.8	2,818.3	2,795.2
Intangible assets, net	629.9	658.2	733.2
Other assets	484.3	495.6	453.8
Total assets	10,236.3	9,709.7	10,129.4
Current liabilities:
Current maturities of long-term debt	162.4	166.7	68.8
Bank loans	177.7	165.1	190.2
Accounts payable	583.4	411.3	489.0
Derivative financial instruments	51.0	100.9	77.8
Other current liabilities	644.2	643.0	645.0
Total current liabilities	1,618.7	1,487.0	1,470.8
Long-term debt	3,340.5	3,347.6	3,542.8
Deferred income taxes	941.4	935.0	849.2
Deferred investment tax credits	4.4	4.6	4.8
Other noncurrent liabilities	614.0	616.7	595.7
Total liabilities	6,519.0	6,390.9	6,463.3
Commitments and contingencies (note 11)
UGI Corporation stockholders' equity
UGI Common Stock, without par value (authorized - 300,000,000 shares; issued - 115,683,494, 115,624,594 and 115,616,094 shares, respectively)	1,185.9	1,157.7	1,145.0
Retained earnings	1,379.4	1,166.1	1,247.9
Accumulated other comprehensive loss	(45.6)	(62.0)	(40.9)
Treasury stock, at cost	(29.7)	(28.7)	(25.6)
Total UGI Corporation stockholders' equity	2,490.0	2,233.1	2,326.4
Noncontrolling interests, principally in AmeriGas Partners	1,227.3	1,085.7	1,339.7
Total equity	3,717.3	3,318.8	3,666.1
Total liabilities and equity	$ 10,236.3	$ 9,709.7	$ 10,129.4