Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 532.6	$ 427.6	$ 197.7
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	362.9	363.1	315.0
Deferred income taxes, net	66.7	48.7	90.2
Provision for uncollectible accounts	43.5	30.2	26.5
Unrealized losses (gains) on derivative instruments	18.6	(0.2)	(17.2)
Equity-based compensation expense	25.8	17.6	14.5
Loss on extinguishments of debt	0	0	13.3
Other, net	(38.2)	(41.4)	(11.0)
Net change in:
Accounts receivable and accrued utility revenues	18.1	(110.8)	65.5
Inventories	(65.1)	4.6	89.2
Utility deferred fuel costs, net of changes in unsettled derivatives	(17.6)	9.3	(8.2)
Accounts payable	3.7	38.7	(78.7)
Other current assets	(1.2)	36.3	(12.5)
Other current liabilities	55.6	(22.2)	23.4
Net cash provided by operating activities	1,005.4	801.5	707.7
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(456.8)	(486.0)	(339.4)
Acquisitions of businesses, net of cash acquired	(37.1)	(78.9)	(1,580.5)
(Increase) decrease in restricted cash	(8.3)	(5.3)	14.2
Other, net	14.6	16.9	1.2
Net cash used by investing activities	(487.6)	(553.3)	(1,904.5)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends on UGI Common Stock	(136.1)	(125.8)	(119.1)
Distributions on AmeriGas Partners publicly held Common Units	(237.7)	(226.5)	(181.7)
Issuances of debt	174.5	227.1	1,550.2
Repayments of debt	(242.6)	(168.7)	(299.9)
Receivables Facility net (repayments) borrowings	(22.5)	30.0	(14.3)
Increase in credit agreement borrowings	5.8	32.3	41.7
Issuances of UGI Common Stock	10.9	36.4	23.2
Repurchases of UGI Common Stock	(39.8)	0	0
Issuances of AmeriGas Partners Common Units	0	0	276.6
Other	11.8	9.1	1.8
Net cash (used) provided by financing activities	(475.7)	(186.1)	1,278.5
Effect of exchange rate changes on cash	(11.9)	7.3	(0.3)
Cash and cash equivalents increase	30.2	69.4	81.4
CASH AND CASH EQUIVALENTS
End of year	419.5	389.3	319.9
Beginning of year	389.3	319.9	238.5
Increase	30.2	69.4	81.4
Cash paid for:
Interest	228.3	243.6	168.8
Income taxes	$ 141.6	$ 60.0	$ 33.3