Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Restructuring and Repositioning Expenses [Abstract]
Employee severance and related benefits	$ 0.1	$ 4.4
Other restructuring and repositioning expenses	0.2	0.2
Total	0.3	4.6
Changes in accrued severance [Roll Forward]
Beginning balance	4.0	5.0
Additions	0.1	4.4
Payments	(1.3)	(2.6)
Effect of exchange rate changes	0.1	0.1
Ending balance	$ 2.9	6.9
CIS [Member]
Restructuring and Repositioning Expenses [Abstract]
Employee severance and related benefits		$ 1.7