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 continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.

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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Abstract]
Effective income tax rate (in hundredths)	24.80%	(30.80%)	34.20%	39.90%
Valuation Allowance [Line Items]
Foreign tax benefit from law change	$ 2.5		$ 2.5
Domestic Tax Jurisdiction Member]
Valuation Allowance [Line Items]
Deferred tax asset, valuation allowance	15.4		15.4
Foreign Tax [Member]
Valuation Allowance [Line Items]
Deferred tax asset, valuation allowance	$ 44.2		$ 44.2