Other (Expense) Income (Tables)

12 Months Ended

Sep. 30, 2023

Other Income and Expenses [Abstract]

Components of Other (Expense) Income

The components of Other (expense) income were (in millions):

	2023		2022		2021
Interest income	$	9.7	$	4.4	$	1.6
Royalty income	13.2		10.9		10.2
Legacy product liability and environmental charges	(18.1)		(15.6)		(10.6)
Non-operating pension and postretirement benefit cost	(82.7)		(4.7)		(63.8)
Legal settlement (Note 17)	—		—		70.0
Other	6.6		3.4		(1.7)
Other (expense) income	$	(71.3)	$	(1.6)	$	5.7