Other Income, Net (Tables)

9 Months Ended

Jun. 30, 2021

Other Nonoperating Income (Expense) [Abstract]

Other income and expense

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Interest income	$	0.9	$	0.6	$	2.5	$	2.5
Foreign currency exchange (loss) gain, net	$	(0.2)	$	0.3	$	0.2	$	2.2
Other, net	$	(1.1)	$	(0.3)	$	(2.5)	$	0.1
Other (expense) income, net	$	(0.4)	$	0.6	$	0.2	$	4.8