Other Income (Expense) (Tables)

6 Months Ended

Mar. 31, 2024

Other Income and Expenses [Abstract]

Components of Other Income Expense

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

	Three Months Ended March 31,				Six Months Ended March 31,
	2024		2023		2024		2023
Interest income	$	3.5	$	1.3	$	8.5	$	2.6
Royalty income	3.4		3.4		6.2		5.9
Legacy product liability and environmental charges	(2.7)		(3.1)		(7.7)		(5.9)
Non-operating pension and postretirement benefit credit (cost)	4.9		(105.4)		9.8		(93.0)
Other	5.7		(3.3)		6.9		0.6
Other income (expense)	$	14.8	$	(107.1)	$	23.7	$	(89.8)