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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act.

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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Taxes [Abstract]
Effective income tax rate	(336.40%)	(144.90%)	66.00%	(41.30%)
Net of valuation allowance, classification [Abstract]
Income tax expense (benefit) related to US Tax Reform			$ 10.8
Foreign Tax Jurisdiction [Member]
Net of valuation allowance, classification [Abstract]
Income tax expense (benefit) related to US Tax Reform			13.6
Valuation allowance - deferred tax assets	$ 37.6		37.6
Domestic Tax Jurisdiction [Member]
Net of valuation allowance, classification [Abstract]
Valuation allowance - deferred tax assets	$ 7.4		$ 7.4