Other (Expense) Income

6 Months Ended

Mar. 31, 2021

Other Income and Expenses [Abstract]

Other (Expense) Income

Other (Expense) Income

The components of other (expense) income are (in millions):

	Three Months Ended March 31,				Six Months Ended March 31,
	2021		2020		2021		2020
Interest income	$	0.5	$	2.0	$	0.8	$	4.4
Royalty income	2.5		2.2		4.6		4.6
Legacy product liability and environmental charges	(0.8)		(5.7)		(5.4)		(8.4)
Non-operating pension and postretirement benefit cost	(7.0)		(8.6)		(14.0)		(17.3)
Legal settlement (Note 13)	—		—		70.0		—
Other	(1.2)		1.0		(1.0)		(2.1)
Other (expense) income	$	(6.0)	$	(9.1)	$	55.0	$	(18.8)