Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Activities
Net Income (Loss)	$ (93.5)	$ 634.4
Less: Net income attributable to noncontrolling interests	16.2	19.8
Net Income (Loss) Attributable to Air Products	(109.7)	614.6
(Income) loss from discontinued operations	867.3	3.6
Income from continuing operations attributable to Air Products	757.6	618.2
Adjustments to reconcile income to cash provided by operating activities:
Depreciation and amortization	464.8	468.8
Deferred income taxes	87.0	53.5
Gain on previously held equity interest	0.0	(17.9)
Undistributed earnings of unconsolidated affiliates	(7.7)	(58.0)
Share-based compensation	19.5	24.8
Noncurrent capital lease receivables	40.2	(8.7)
Other adjustments	15.0	(58.8)
Working capital changes that provided (used) cash, excluding effects of acquisitions and divestitures:
Trade receivables	33.2	23.6
Inventories	10.5	(14.0)
Contracts in progress, less progress billings	(35.3)	(17.2)
Other receivables	(57.4)	(75.2)
Payables and accrued liabilities	(226.5)	89.1
Other working capital	(13.4)	(41.1)
Cash Provided by Operating Activities	1,087.5	987.1
Investing Activities
Additions to plant and equipment	(534.8)	(628.5)
Acquisitions, less cash acquired	0.0	(34.5)
Proceeds from sale of assets and investments	70.6	10.8
Other investing activities	(2.5)	1.5
Cash Used for Investing Activities	(466.7)	(650.7)
Financing Activities
Long-term debt proceeds	0.0	337.3
Payments on long-term debt	(70.2)	(384.6)
Net increase (decrease) in commercial paper and short-term borrowings	0.2	54.3
Dividends paid to shareholders	(349.1)	(329.4)
Proceeds from stock option exercises	35.5	77.2
Excess tax benefit from share-based compensation	9.7	22.7
Other financing activities	(25.0)	(34.1)
Cash Provided By (Used for) Financing Activities	(398.9)	(256.6)
Discontinued Operations
Cash provided by (used for) operating activities	(25.1)	(19.9)
Cash provided by (used for) investing activities	(97.0)	(189.1)
Cash provided by (used for) financing activities	0.0	0.0
Cash Provided by (Used for) Discontinued Operations	(122.1)	(209.0)
Effect of Exchange Rate Changes on Cash	6.9	(11.7)
Increase (Decrease) in Cash and Cash Items	106.7	(140.9)
Cash and Cash Items - Beginning of Year	206.4	336.6
Cash and Cash Items - End of Period	313.1	195.7
Less: Cash and Cash Items - Discontinued Operations	0.0	0.0
Cash and Cash Items - Continuing Operations	$ 313.1	$ 195.7