Other (Expense) Income (Tables)

6 Months Ended

Mar. 31, 2022

Other Income and Expenses [Abstract]

Components of Other Expense Income

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

	Three Months Ended March 31,				Six Months Ended March 31,
	2022		2021		2022		2021
Interest income	$	0.5	$	0.5	$	1.0	$	0.8
Royalty income	2.8		2.5		5.5		4.6
Legacy product liability and environmental charges	(4.1)		(0.8)		(7.4)		(5.4)
Non-operating pension and postretirement benefit cost	(21.3)		(7.0)		(16.9)		(14.0)
Legal settlement	—		—		—		70.0
Other	(1.6)		(1.2)		(3.0)		(1.0)
Other (expense) income	$	(23.7)	$	(6.0)	$	(20.8)	$	55.0