Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2016		Sep. 30, 2015		Sep. 30, 2014
Operating Activities
Net Income	$ 661.5		$ 1,317.6		$ 993.1
Less: Net income attributable to noncontrolling interests	30.4		39.7		1.4
Net Income Attributable to Air Products	631.1		1,277.9		991.7
(Income) loss from discontinued operations	884.2		6.8		2.9
Income from continuing operations attributable to Air Products	1,515.3		1,284.7		994.6
Adjustments to reconcile income to cash provided by operating activities:
Depreciation and amortization	925.9		936.4		956.9
Deferred income taxes	62.9		2.9		125.5
Loss on extinguishment of debt	6.9	[1]	16.6	[1]	0.0
Gain on previously held equity interest	0.0		(17.9)		0.0
Undistributed earnings of unconsolidated affiliates	(51.8)		(102.6)		(76.0)
(Gain) Loss on sale of assets and investments	(10.0)		(30.1)		4.3
Share-based compensation	37.6		45.7		44.0
Noncurrent capital lease receivables	85.5		(9.5)		20.0
Goodwill and intangible asset impairment charge	0.0		0.0		310.1
Write-down of long-lived assets associated with restructuring	0.0		47.4		0.0
Other adjustments	155.2		48.1		60.7
Working capital changes that provided (used) cash, excluding effects of acquisitions and divestitures:
Trade receivables	(61.7)		(29.7)		(2.7)
Inventories	32.9		8.3		(23.5)
Contracts in progress, less progress billings	21.3		36.4		(5.6)
Other receivables	(12.2)		57.6		(33.0)
Payables and accrued liabilities	57.0		156.2		(237.9)
Other working capital	(57.4)		(4.1)		52.7
Cash Provided by Operating Activities	2,707.4		2,446.4		2,190.1
Investing Activities
Additions to plant and equipment	(1,055.8)		(1,265.6)		(1,362.7)
Acquisitions, less cash acquired	0.0		(34.5)		0.0
Investment in unconsolidated affiliates	0.0		(4.3)
Proceeds from collection of advance to affiliate					2.0
Proceeds from sale of assets and investments	85.5		55.3		45.6
Other investing activities	(1.7)		(1.4)		(1.4)
Cash Used for Investing Activities	(972.0)		(1,250.5)		(1,316.5)
Financing Activities
Long-term debt proceeds	960.4		340.3		463.4
Payments on long-term debt	(485.0)		(708.7)		(608.6)
Net increase (decrease) in commercial paper and short-term borrowings	(144.2)		284.0		148.7
Debt issuance costs	(11.7)		(2.2)		(2.4)
Dividends paid to shareholders	(721.2)		(677.5)		(627.7)
Proceeds from stock option exercises	141.3		121.3		141.6
Excess tax benefit from share-based compensation	33.2		31.9		28.3
Payment for subsidiary shares to noncontrolling interests	0.0		(278.4)		(0.5)
Other financing activities	(43.9)		(56.1)		(47.1)
Cash Provided By (Used for) Financing Activities	(271.1)		(945.4)		(504.3)
Discontinued Operations
Cash provided by (used for) operating activities	(79.9)		(8.6)		(3.0)
Cash provided by (used for) investing activities	(97.0)		(349.2)		(311.7)
Cash provided by (used for) financing activities	0.0		0.0		(157.1)
Cash Provided by (Used for) Discontinued Operations	(176.9)		(357.8)		(471.8)
Effect of Exchange Rate Changes on Cash	7.5		(22.9)		(11.3)
Increase (Decrease) in Cash and Cash Items	1,294.9		(130.2)		(113.8)
Cash and Cash Items - Beginning of Year	206.4		336.6		450.4
Cash and Cash Items - End of Period	1,501.3		206.4		336.6
Less: Cash and Cash Items - Discontinued Operations	0.0		0.0		0.0
Cash and Cash Items - Continuing Operations	$ 1,501.3		$ 206.4		$ 336.6

[1] For additional information, see Note 15, Debt.