Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Income Taxes [Abstract]
Effective income tax rate	13.40%	25.20%
Valuation Allowance [Line Items]
Foreign effective tax rate	$ 3.5
Unrecognized tax benefits reductions in fiscal 2018	2.7
Unrecognized tax benefits reductions in fiscal 2018 that would impact effective tax rate	1.9
Foreign Tax Jurisdiction [Member]
Valuation Allowance [Line Items]
Deferred tax asset, valuation allowance	46.4
Possible future release of valuation allowance against certain tax assets	3.0
Domestic Tax Jurisdiction [Member]
Valuation Allowance [Line Items]
Deferred tax asset, valuation allowance	$ 5.6