Interest Expense, Net (Tables)

6 Months Ended

Mar. 31, 2022

Interest Income (Expense), Net [Abstract]

Summary of Components of Interest Expense, Net

The components of interest expense, net are as follows (in millions):

	Three Months Ended						Six Months Ended
	March 31,						March 31,
	2022			2021			2022			2021
Interest expense	$	(84.9	)	$	(94.9	)	$	(183.2	)	$	(200.4	)
Interest income		12.4			11.4			24.0			23.1
Interest expense, net	$	(72.5	)	$	(83.5	)	$	(159.2	)	$	(177.3	)