Restructuring - Summary of Activity Relating to Restructuring Plan Liabilities (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended			18 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ 7.6	$ 5.0	$ 2.2
2024 Plan
Restructuring Cost and Reserve [Line Items]
Beginning balance		0.0
Restructuring costs	$ 7.5	7.5
Costs paid or otherwise settled		(2.8)
Ending balance	4.7	4.7	0.0
2022 Plan
Restructuring Cost and Reserve [Line Items]
Beginning balance		1.2	1.7	0.0
Restructuring costs		0.1	5.0	2.2	$ 7.3
Costs paid or otherwise settled		(1.3)	(5.5)	(0.5)
Ending balance	$ 0.0	$ 0.0	$ 1.2	$ 1.7