Accumulated Other Comprehensive Loss, Net (Tables)

6 Months Ended

Mar. 31, 2022

Equity [Abstract]

Summary of Changes in Accumulated Other Comprehensive Loss

The following table summarizes the changes in accumulated other comprehensive loss, net for the six months ended March 31, 2022.

(in millions)	Foreign Currency Translation Adjustment		Pension Benefits Adjustment		Cash Flow Hedge		Accumulated Other Comprehensive Loss, net
Balances as of September 30, 2021	$	(22.7)	$	(2.4)	$	—	$	(25.1)
Other comprehensive loss, net of tax	(1.3)		—		(0.1)		(1.4)
Balances as of December 31, 2021	(24.0)		(2.4)		(0.1)		(26.5)
Other comprehensive income/(loss), net of tax	1.2		—		(18.1)		(16.9)
Balances as of March 31, 2022	$	(22.8)	$	(2.4)	$	(18.2)	$	(43.4)