Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income including noncontrolling interests	$ 434.2	$ 290.9
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Depreciation and amortization	110.3	98.1
Deferred income taxes	(173.9)	(5.9)
Provision for uncollectible accounts	9.3	6.7
Change in unrealized losses (gains) on derivative instruments	(6.6)	(104.2)
Loss on extinguishments of debt	0.0	33.2
Other, net	11.3	15.1
Net change in:
Accounts receivable and accrued utility revenues	(530.5)	(437.0)
Inventories	(23.5)	(22.4)
Utility deferred fuel and power costs, net of changes in unsettled derivatives	11.6	(1.0)
Accounts payable	235.0	221.4
Other current assets	(34.0)	(7.3)
Other current liabilities	(11.8)	39.0
Net cash provided by operating activities	31.4	126.6
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(147.5)	(197.1)
Acquisitions of businesses and assets, net of cash acquired	(175.8)	(0.8)
Decrease in restricted cash	(9.5)	7.7
Other, net	5.3	(2.2)
Net cash used by investing activities	(327.5)	(192.4)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends on UGI Common Stock	(43.3)	(41.2)
Distributions on AmeriGas Partners publicly held Common Units	(65.7)	(65.0)
Issuances of debt, net of issuance costs	124.3	789.6
Repayments of debt, including redemption premiums	(41.9)	(530.9)
Increase (decrease) in short-term borrowings	212.5	(66.7)
Receivables Facility net borrowings	6.0	9.5
Issuances of UGI Common Stock	1.4	3.3
Repurchases of UGI Common Stock	(9.5)	0.0
Other	(2.7)	0.0
Net cash provided by financing activities	181.1	98.6
EFFECT OF EXCHANGE RATE CHANGES ON CASH	3.0	(20.4)
Cash and cash equivalents (decrease) increase	(112.0)	12.4
CASH AND CASH EQUIVALENTS
End of period	446.4	515.2
Beginning of period	558.4	502.8
(Decrease) increase	$ (112.0)	$ 12.4