Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income including noncontrolling interests	$ 841.9	$ 602.7
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Depreciation and amortization	222.5	197.4
Deferred income tax (benefit) expense	(191.5)	49.4
Provision for uncollectible accounts	24.8	15.3
Change in unrealized losses (gains) on derivative instruments	41.5	(81.6)
Loss on extinguishments of debt	0.0	55.3
Other, net	10.0	24.0
Net change in:
Accounts receivable and accrued utility revenues	(676.0)	(424.3)
Inventories	57.0	3.9
Utility deferred fuel and power costs, net of changes in unsettled derivatives	31.5	(7.6)
Accounts payable	136.2	129.4
Other current assets	(18.3)	(1.3)
Other current liabilities	99.8	22.4
Net cash provided by operating activities	579.4	585.0
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(266.1)	(341.8)
Acquisitions of businesses and assets, net of cash acquired	(174.3)	(7.3)
(Increase) decrease in restricted cash	(0.3)	15.3
Other, net	9.0	(4.3)
Net cash used by investing activities	(431.7)	(338.1)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends on UGI Common Stock	(86.6)	(82.3)
Distributions on AmeriGas Partners publicly held Common Units	(131.5)	(130.1)
Issuances of debt, net of issuance costs	124.3	1,307.1
Repayments of debt, including redemption premiums	(64.3)	(928.6)
Decrease in short-term borrowings	(38.7)	(216.1)
Receivables Facility net repayments	(29.0)	(25.5)
Issuances of UGI Common Stock	3.1	5.9
Repurchases of UGI Common Stock	(14.1)	(25.5)
Other	(3.4)	(0.8)
Net cash used by financing activities	(240.2)	(95.9)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	8.9	(16.0)
Cash and cash equivalents (decrease) increase	(83.6)	135.0
CASH AND CASH EQUIVALENTS
End of period	474.8	637.8
Beginning of period	$ 558.4	$ 502.8