Other Income (Tables)

6 Months Ended

Mar. 31, 2023

Other Income and Expenses [Abstract]

Components of Other Income Expense

The components of Other expense were (in millions):

	Three Months Ended March 31,				Six Months Ended March 31,
	2023		2022		2023		2022
Interest income	$	1.3	$	0.5	$	2.6	$	1.0
Royalty income	3.4		2.8		5.9		5.5
Legacy product liability and environmental charges	(3.1)		(4.1)		(5.9)		(7.4)
Non-operating pension and postretirement benefit cost	(105.4)		(21.3)		(93.0)		(16.9)
Other	(3.3)		(1.6)		0.6		(3.0)
Other expense	$	(107.1)	$	(23.7)	$	(89.8)	$	(20.8)