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Concentration of Business, Significant Customers and Credit Risk (Details)
$ in Thousands
12 Months Ended
Mar. 31, 2017
USD ($)
customer
tannery
Mar. 31, 2016
USD ($)
customer
Mar. 31, 2015
USD ($)
Concentration Risk [Line Items]      
Property and equipment $ 225,531 $ 237,246  
Number of customers considered concentration risk | customer 5    
Number of tanneries | tannery 2    
Number of suppliers 2    
Long-lived Assets      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 10.00%    
International Net Sales      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 36.20% 35.00% 35.90%
Concentration risk percentage benchmark 10.00%    
Sales Revenue, Net | Customer Concentration Risk      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 20.30% 21.90%  
Accounts Receivable | Unidentified Major Customer One      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 11.20% 12.80%  
Number of customers considered concentration risk | customer 1 1  
UNITED STATES      
Concentration Risk [Line Items]      
Property and equipment $ 206,077 $ 211,111  
Other Countries      
Concentration Risk [Line Items]      
Revenue 539,000 526,000 $ 519,000
Property and equipment $ 19,454 $ 26,135  
Concentration risk (as a percent) 30.10% 28.10% 28.60%