Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019
Components of Other Current Liabilities [Line Items]
Other current liabilities	$ 128.5	$ 137.1
Contract liabilities
Components of Other Current Liabilities [Line Items]
Other current liabilities	7.3	5.1
Sales rebates
Components of Other Current Liabilities [Line Items]
Other current liabilities	35.5	35.3
Commissions
Components of Other Current Liabilities [Line Items]
Other current liabilities	7.0	6.8
Restructuring and other similar charges
Components of Other Current Liabilities [Line Items]
Other current liabilities	9.8	4.3
Product warranty
Components of Other Current Liabilities [Line Items]
Other current liabilities	6.7	7.2
Risk management
Components of Other Current Liabilities [Line Items]
Other current liabilities	10.4	10.5
Legal and environmental
Components of Other Current Liabilities [Line Items]
Other current liabilities	1.5	2.6
Taxes, other than income taxes
Components of Other Current Liabilities [Line Items]
Other current liabilities	8.3	7.8
Income taxes payable
Components of Other Current Liabilities [Line Items]
Other current liabilities	9.9	20.3
Interest payable
Components of Other Current Liabilities [Line Items]
Other current liabilities	8.3	7.7
Current portion of operating lease liability
Components of Other Current Liabilities [Line Items]
Other current liabilities	12.8	0.0
Other
Components of Other Current Liabilities [Line Items]
Other current liabilities	$ 11.0	$ 29.5