Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating Activities
Net Income (Loss)	$ 2,442.1	$ (93.5)
Less: Net income attributable to noncontrolling interests of continuing operations	12.3	12.1
Less: Net income attributable to noncontrolling interests of discontinued operations	0.0	4.1
Net Income (Loss) Attributable to Air Products	2,429.8	(109.7)
(Income) Loss from discontinued operations	(1,873.8)	669.5
Income from continuing operations attributable to Air Products	556.0	559.8
Adjustments to reconcile income to cash provided by operating activities:
Depreciation and amortization	417.9	428.6
Deferred income taxes	(68.6)	80.0
Undistributed earnings of unconsolidated affiliates	(31.5)	(7.4)
Gain on sale of assets and investments	(6.5)	(2.3)
Share-based compensation	18.5	16.4
Noncurrent capital lease receivables	45.4	40.6
Write-down of long-lived assets associated with restructuring	45.7	0.0
Other adjustments	34.0	37.8
Working capital changes that provided (used) cash, excluding effects of acquisitions and divestitures:
Trade receivables	(53.8)	46.1
Inventories	20.7	(1.1)
Contracts in progress, less progress billings	(5.0)	(38.3)
Other receivables	118.4	(54.4)
Payables and accrued liabilities	(178.6)	(191.5)
Other working capital	(51.4)	(24.3)
Cash Provided by Operating Activities	861.2	890.0
Investing Activities
Additions to plant and equipment	(532.2)	(472.0)
Investment in and advances to unconsolidated affiliates	(8.9)	(1.5)
Proceeds from sale of assets and investments	13.5	38.1
Purchases of investments	(1,823.2)	0.0
Proceeds from investments	400.0	0.0
Other investing activities	(1.6)	(1.0)
Cash Used for Investing Activities	(1,952.4)	(436.4)
Financing Activities
Long-term debt proceeds	1.3	0.0
Payments on long-term debt	(469.7)	(65.6)
Net decrease in commercial paper and short-term borrowings	(816.6)	(1.6)
Dividends paid to shareholders	(374.0)	(349.1)
Proceeds from stock option exercises	19.9	35.5
Other financing activities	(22.7)	(21.0)
Cash Used for Financing Activities	(1,661.8)	(401.8)
Discontinued Operations
Cash (used for) provided by operating activities	(520.8)	182.1
Cash provided by (used for) investing activities	3,750.6	(127.3)
Cash provided by (used for) investing activities	69.5	(6.8)
Cash Provided by Discontinued Operations	3,299.3	48.0
Effect of Exchange Rate Changes on Cash	(7.8)	6.9
Increase in Cash and Cash Items	538.5	106.7
Cash and Cash Items – Beginning of Year	1,330.8	206.4
Cash and Cash Items – End of Period	1,869.3	313.1
Less: Cash and Cash Items - Discontinued Operations	0.0	26.4
Cash and Cash Items - Continuing Operations	$ 1,869.3	$ 286.7