Consolidated Income Statements (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Sales	$ 3,174.7	$ 2,994.2
Cost of sales	2,272.3	2,223.6
Selling and administrative expense	234.4	232.8
Research and development expense	24.4	23.3
Other income (expense), net	8.4	8.5
Operating Income	652.0	523.0
Equity affiliates' income	110.0	147.8
Interest expense	41.2	30.5
Other non-operating income (expense), net	(0.6)	22.6
Income Before Taxes	720.2	662.9
Income tax provision	136.4	113.3
Net Income	583.8	549.6
Net income (loss) attributable to noncontrolling interests	11.6	(10.8)
Net income attributable to Air Products	$ 572.2	$ 560.4
Per Share Data
Basic earnings per share attributable to Air Products (in dollars per share)	$ 2.58	$ 2.53
Diluted earnings per share attributable to Air Products (in dollars per share)	$ 2.57	$ 2.52
Weighted Average Common Shares (in millions)
Basic	222.2	221.9
Diluted	222.6	222.6