Restructuring Activities (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Restructuring and Repositioning Expenses [Abstract]
Employee severance and related benefits	$ 11.7	$ 10.2	$ 8.7
Other restructuring and repositioning expenses	1.7	2.0	0.9
Total	13.4	12.2	9.6
Changes in Accrued Severance [Roll Forward]
Beginning balance	5.0	10.0
Additions	11.7	10.2
Payments	(10.5)	(15.1)
Reclassified as held for sale	(2.5)	0.0
Effect of exchange rate changes	0.3	(0.1)
Ending balance	4.0	5.0	10.0
CIS [Member]
Restructuring and Repositioning Expenses [Abstract]
Employee severance and related benefits	3.7
Changes in Accrued Severance [Roll Forward]
Asset impairment charges		0.6	$ 0.4
Automotive [Member]
Changes in Accrued Severance [Roll Forward]
Asset impairment charges	166.8	$ 7.5
Corporate [Member]
Restructuring and Repositioning Expenses [Abstract]
Employee severance and related benefits	$ 1.3