Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring and Repositioning Expenses [Abstract]
Employee severance and related benefits	$ 3.2	$ 0.1	$ 8.0	$ 0.1
Other restructuring and repositioning expenses	1.3	0.4	1.9	0.4
Total	4.5	0.5	9.9	0.5
Changes in Accrued Severance [Roll Forward]
Beginning balance	8.6	8.9	13.0	10.6
Additions	3.2	0.1	8.0	0.1
Payments	(4.1)	(3.1)	(13.3)	(4.9)
Reclassified to held for sale	0.0	2.5	0.0	2.5
Effect of exchange rate changes	0.2	(0.2)	0.2	(0.1)
Ending balance	$ 7.9	$ 3.2	$ 7.9	$ 3.2