Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Activities
Net Income	$ 590.6	$ 586.8
Less: Net income attributable to noncontrolling interests	16.9	18.1
Net Income Attributable to Air Products	573.7	568.7
Income from discontinued operations	(3.1)	(2.5)
Income from continuing operations attributable to Air Products	570.6	566.2
Adjustments to reconcile income to cash provided by (used for) operating activities:
Depreciation and amortization	463.3	444.7
Deferred income taxes	36.4	32.8
Undistributed earnings of unconsolidated affiliates	(19.2)	(26.3)
Share-based compensation	23.4	22.4
Noncurrent capital lease receivables	1.1	(123.2)
Other adjustments	75.0	(146.0)
Working capital changes that provided (used) cash, excluding effects of acquisitions and divestitures:
Trade receivables	(82.0)	17.8
Inventories	33.6	53.1
Contracts in progress, less progress billings	17.6	(41.4)
Other receivables	(3.7)	(55.7)
Payables and accrued liabilities	(130.0)	(150.3)
Other working capital	38.6	4.1
Cash Provided by (Used for) Operating Activities	1,024.7	598.2
Investing Activities
Additions to plant and equipment	(802.2)	(707.3)
Proceeds from sale of assets and investments	11.2	6.4
Other investing activities	(0.4)	(1.3)
Cash Provided by (Used for) Investing Activities	(791.4)	(702.2)
Financing Activities
Long-term debt proceeds	39.2	504.0
Payments on long-term debt	(491.2)	(392.0)
Net increase (decrease) in commercial paper and short-term borrowings	370.9	604.4
Dividends paid to shareholders	(300.2)	(268.9)
Purchase of treasury shares	0	(461.6)
Proceeds from stock option exercises	57.7	62.7
Excess tax benefit from share-based compensation	12.6	14.3
Other financing activities	(26.7)	(20.2)
Cash Provided by (Used for) Financing Activities	(337.7)	42.7
Discontinued Operations
Cash provided by operating activities	0.7	9.8
Cash provided by (used for) investing activities	9.8	(0.9)
Cash provided by (used for) financing activities	0	0
Cash Provided by (Used for) Discontinued Operations	10.5	8.9
Effect of Exchange Rate Changes on Cash	0.4	(0.4)
Increase (Decrease) in Cash and Cash Items	(93.5)	(52.8)
Cash and Cash Items - Beginning of Year	450.4	454.4
Cash and Cash Items - End of Period	$ 356.9	$ 401.6