Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Operating Activities
Net Income	$ 161.7	$ 306.4
Less: Net income attributable to noncontrolling interests of continuing operations	7.1	6.6
Net income attributable to Air Products	154.6	299.8
(Income) Loss from discontinued operations	1.0	(48.2)
Income from continuing operations attributable to Air Products	155.6	251.6
Adjustments to reconcile income to cash provided by operating activities:
Depreciation and amortization	227.9	206.1
Deferred income taxes	(76.7)	(23.6)
Tax reform repatriation	310.3	0.0
Undistributed earnings of unconsolidated affiliates	34.0	(6.9)
Gain on sale of assets and investments	(0.6)	(5.0)
Share-based compensation	11.8	9.0
Noncurrent capital lease receivables	23.3	22.3
Write-down of long-lived assets associated with restructuring	0.0	45.7
Other adjustments	5.3	10.7
Working capital changes that provided (used) cash, excluding effects of acquisitions and divestitures:
Trade receivables	(34.2)	42.3
Inventories	(8.4)	9.9
Contracts in progress, less progress billings	0.0	(22.6)
Other receivables	23.8	(7.2)
Payables and accrued liabilities	(113.5)	10.4
Other working capital	5.5	31.6
Cash Provided by Operating Activities	564.1	574.3
Investing Activities
Additions to plant and equipment	(256.6)	(239.2)
Acquisitions, less cash acquired	237.1	0.0
Investment in and advances to unconsolidated affiliates	0.0	(8.8)
Proceeds from sale of assets and investments	10.6	11.4
Purchases of investments	(212.2)	0.0
Proceeds from investments	208.9	0.0
Other investing activities	1.5	(1.5)
Cash Used for Investing Activities	(484.9)	(238.1)
Financing Activities
Long-term debt proceeds	0.0	1.2
Payments on long-term debt	(408.6)	(14.4)
Net decrease in commercial paper and short-term borrowings	(40.7)	(772.2)
Dividends paid to shareholders	(207.5)	(186.9)
Proceeds from stock option exercises	34.4	10.7
Other financing activities	(18.7)	(12.9)
Cash Used for Financing Activities	(641.1)	(974.5)
Discontinued Operations
Cash used for operating activities	(3.1)	(59.6)
Cash used for investing activities	0.0	(19.4)
Cash provided by financing activities	0.0	69.5
Cash Used for Discontinued Operations	(3.1)	(9.5)
Effect of Exchange Rate Changes on Cash	14.0	(16.2)
Decrease in cash and cash items	(551.0)	(664.0)
Cash and Cash items – Beginning of Year	3,273.6	1,330.8
Cash and Cash Items – End of Period	2,722.6	666.8
Less: Cash and Cash Items - Discontinued Operations	0.0	11.3
Cash and Cash Items - Continuing Operations	$ 2,722.6	$ 655.5