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Income Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Abstract]        
Effective income tax rate 22.60% 24.80% 43.20% 34.20%
Domestic Tax Jurisdiction [Member]        
Valuation Allowance [Line Items]        
Deferred tax asset, valuation allowance $ 5.8   $ 5.8  
Foreign Tax Jurisdiction [Member]        
Valuation Allowance [Line Items]        
Deferred tax asset, valuation allowance 43.8   43.8  
Expected deferred tax asset, valuation allowance realizable 3.0   3.0  
Pension [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Pension settlement loss, tax $ 0.5   $ 15.7