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Indebtedness (Details) - USD ($)
$ in Millions
9 Months Ended
Dec. 31, 2015
Mar. 31, 2015
Line of Credit Facility [Line Items]    
Available for future borrowings $ 209.0  
Foreign Credit Agreements [Member]    
Debt Instrument [Line Items]    
Short-term debt 21.8 $ 18.6
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 34.0  
Domestic Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt, fair value 131.0 141.0
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 175.0  
Expiration date Aug. 31, 2018  
Amount outstanding $ 0.0 $ 0.0
6.8% Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 125.0  
Stated interest rate 6.80%