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Contingencies and Litigation (Details)
BRL in Millions, $ in Millions
12 Months Ended
Mar. 31, 2017
USD ($)
Customer
Site
Mar. 31, 2017
BRL
Customer
Site
Mar. 31, 2016
USD ($)
Customer
Mar. 31, 2015
Customer
Mar. 31, 2016
BRL
Concentration Risk [Line Items]          
Number of major customers 2 2 2 2  
Number of top customers 10        
CADE [Member]          
Legal Matters [Abstract]          
Minimum period of alleged violations of antitrust regulations 7 years 7 years      
Litigation settlement amount $ 4.7 BRL 15.0      
CADE [Member] | Minimum [Member]          
Legal Matters [Abstract]          
Brazil legal matter - accrual     $ 2.8   BRL 10.0
CADE [Member] | SG&A Expenses [Member]          
Legal Matters [Abstract]          
Brazil legal matter - expense 1.6 BRL 5.0      
Closed and Sold Manufacturing Facility [Member]          
Site Contingency [Line Items]          
Reserves for environmental matters | $ $ 16.8   $ 5.1    
Closed and Sold Manufacturing Facility [Member] | United States [Member]          
Site Contingency [Line Items]          
Number of sites remediation considered for potentially responsible party | Site 3 3      
Customer Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration risk, percentage 54.00% 54.00% 63.00% 63.00%  
Credit Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration risk, percentage 35.00% 35.00% 45.00%