Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities
Net Income	$ 885.2	$ 1,051.0
Less: Net income attributable to noncontrolling interests	28.1	22.4
Net Income Attributable to Air Products	857.1	1,028.6
Income from discontinued operations	(3.1)	(166.5)
Income from continuing operations attributable to Air Products	854.0	862.1
Adjustments to reconcile income to cash provided by (used for) operating activities:
Depreciation and amortization	674.4	620.5
Deferred income taxes	8.4	113.1
Benefit from Spanish tax ruling	0	(58.3)
Gain on previously held equity interest	0	(85.9)
Undistributed earnings of unconsolidated affiliates	(47.6)	(42.8)
Share-based compensation	33.0	36.2
Noncurrent capital lease receivables	(124.2)	(204.1)
Other adjustments	161.7	74.4
Working capital changes that provided (used) cash, excluding effects of acquisitions and divestitures:
Trade receivables	(88.9)	(71.9)
Inventories	68.5	(18.8)
Contracts in progress, less progress billings	(3.9)	(16.7)
Other receivables	(65.9)	8.6
Payables and accrued liabilities	(139.8)	30.0
Other working capital	(19.9)	29.8
Pension plan contributions	(258.6)	(31.6)
Cash Provided by (Used for) Operating Activities	1,051.2	1,244.6
Investing Activities
Additions to plant and equipment	(1,115.4)	(1,166.5)
Acquisitions, less cash acquired	(125.6)	(173.8)
Investment in and advances to unconsolidated affiliates		(175.4)
Proceeds from collection of advance to affiliate	0.2
Proceeds from sale of assets and investments	25.4	13.5
Change in restricted cash	0	60.9
Other investing activities	(2.8)	0
Cash Provided by (Used for) Investing Activities	(1,218.2)	(1,441.3)
Financing Activities
Long-term debt proceeds	522.1	409.6
Payments on long-term debt	(415.7)	(477.6)
Net increase (decrease) in commercial paper and short-term borrowings	780.8	(171.5)
Dividends paid to shareholders	(416.8)	(379.4)
Purchase of treasury shares	(461.6)	(53.1)
Proceeds from stock option exercises	133.1	88.7
Excess tax benefit from share-based compensation	24.6	20.2
Payment for subsidiary shares from noncontrolling interests	(12.6)	(58.4)
Other financing activities	(28.8)	(16.1)
Cash Provided by (Used for) Financing Activities	125.1	(637.6)
Discontinued Operations
Cash provided by operating activities	13.3	32.1
Cash provided by (used for) investing activities	(1.2)	766.4
Cash provided by (used for) financing activities	0	0
Cash Provided by (Used for) Discontinued Operations	12.1	798.5
Effect of Exchange Rate Changes on Cash	(5.8)	(25.5)
Increase (Decrease) in Cash and Cash Items	(35.6)	(61.3)
Cash and Cash Items - Beginning of Year	454.4	422.5
Cash and Cash Items - End of Period	$ 418.8	$ 361.2