Product Warranties and Other Commitments (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Changes in accrued warranty costs [Roll Forward]
Beginning balance	$ 9.2	$ 9.3
Warranties recorded at time of sale	5.3	5.5
Adjustments to pre-existing warranties	(1.6)	2.2
Settlements	(4.8)	(7.3)
Effect of exchange rate changes	(0.2)	(0.5)
Ending balance	7.9	$ 9.2
Other Commitments [Line Items]
Capital expenditure commitments	$ 12.0
Minimum [Member]
Product Warranty Liability [Line Items]
Product warranty period	1 year
Other Commitments [Line Items]
Indemnification period	1 year
Maximum [Member]
Product Warranty Liability [Line Items]
Product warranty period	5 years
Other Commitments [Line Items]
Indemnification period	15 years