Business Segment Information - Schedule of Sales and Property by Geographic Region (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Sales and property by geographic region
Sales	$ 7,760.4	$ 6,997.4	$ 6,329.8
Property	586.5	581.9	574.4
North America
Sales and property by geographic region
Sales	4,722.0	4,132.8	3,760.2
Property	430.7	416.1	429.4
U.S. Plans
Sales and property by geographic region
Sales	4,315.5	3,740.2	3,425.1
Europe, Middle East and Africa
Sales and property by geographic region
Sales	1,437.6	1,405.7	1,249.3
Property	78.9	91.1	81.9
Asia Pacific
Sales and property by geographic region
Sales	1,088.0	1,012.2	868.7
Property	58.6	54.8	42.8
Latin America
Sales and property by geographic region
Sales	512.8	446.7	451.6
Property	$ 18.3	$ 19.9	$ 20.3