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Concentration of Business, Significant Customers and Credit Risk (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2017
USD ($)
customer
supplier
tannery
Jun. 30, 2016
USD ($)
Mar. 31, 2017
USD ($)
customer
Concentration Risk [Line Items]      
Property and equipment $ 219,577   $ 225,531
Number of customers considered concentration risk | customer 5    
Number of tanneries | tannery 2    
Number of suppliers | supplier 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) 42.40% 37.20%  
Concentration risk percentage benchmark 10.00%    
Sales Revenue, Net | Customer Concentration Risk      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 19.90% 20.50%  
Accounts Receivable | Unidentified Major Customer One      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 15.70%   11.20%
Number of customers considered concentration risk | customer 2   1
Accounts Receivable | Unidentified Major Customer Two      
Concentration Risk [Line Items]      
Concentration risk (as a percent) 11.70%    
UNITED STATES      
Concentration Risk [Line Items]      
Property and equipment $ 200,845   $ 206,077
Other Countries      
Concentration Risk [Line Items]      
Property and equipment $ 18,732   $ 19,454
Concentration risk (as a percent) 23.50% 24.90%  
Revenue $ 49,200 $ 43,000