Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating Activities
Net Income	$ 621.6	$ 583.8
Less: Net income attributable to noncontrolling interests	12.3	11.6
Net income attributable to Air Products	609.3	572.2
Adjustments to reconcile income to cash provided by operating activities:
Depreciation and amortization	349.2	321.5
Deferred income taxes	13.5	13.8
(Undistributed) distributed earnings of equity method investments	(41.5)	17.2
Gain on sale of assets and investments	(1.4)	(2.3)
Share-based compensation	13.8	16.1
Noncurrent lease receivables	20.0	19.4
Other adjustments	33.3	99.0
Working capital changes that provided (used) cash, excluding effects of acquisitions:
Trade receivables	11.8	40.4
Inventories	(48.6)	(102.8)
Other receivables	(64.5)	(6.7)
Payables and accrued liabilities	(268.5)	(257.6)
Other working capital	0.2	(10.9)
Cash Provided by Operating Activities	626.6	719.3
Investing Activities
Additions to plant and equipment, including long-term deposits	(1,445.5)	(834.2)
Investment in financing receivables	(301.8)	0.0
Proceeds from sale of assets and investments	4.2	4.0
Purchases of investments	(55.5)	(19.2)
Proceeds from investments	120.1	591.5
Other investing activities	12.9	1.7
Cash Used For Investing Activities	(1,665.6)	(256.2)
Financing Activities
Long-term debt proceeds	810.4	476.3
Payments on long-term debt	(54.8)	(195.9)
Net increase (decrease) in commercial paper and short-term borrowings	1,020.9	(4.1)
Dividends paid to shareholders	(388.9)	(359.4)
Proceeds from stock option exercises	5.3	14.0
Investments by noncontrolling interests	34.5	0.0
Other financing activities	(64.6)	(16.5)
Cash Provided by (Used for) Financing Activities	1,362.8	(85.6)
Effect of Exchange Rate Changes on Cash	21.8	42.5
Increase in cash and cash items	345.6	420.0
Cash and cash items – Beginning of year	1,617.0	2,711.0
Cash and Cash Items – End of Period	$ 1,962.6	$ 3,131.0