Concentration of Business, Significant Customers and Credit Risk (Details)
$ in Thousands |
1 Months Ended |
3 Months Ended |
6 Months Ended |
|
|
Mar. 31, 2016
USD ($)
|
Sep. 30, 2016
USD ($)
supplier
tannery
|
Sep. 30, 2015
USD ($)
|
Sep. 30, 2016
USD ($)
supplier
tannery
|
Sep. 30, 2015
USD ($)
|
Mar. 31, 2015
USD ($)
|
| Concentration of Business, Significant Customers and Credit Risk [Line Items] |
|
|
|
|
|
|
| Property and equipment, net |
$ 237,246
|
$ 246,723
|
|
$ 246,723
|
|
|
| Number of tanneries | tannery |
|
2
|
|
2
|
|
|
| Number of suppliers | supplier |
|
1
|
|
1
|
|
|
| Cash equivalents |
195,575
|
$ 65,312
|
|
$ 65,312
|
|
|
| Cash |
50,381
|
44,735
|
|
44,735
|
|
|
| Total cash and cash equivalents |
$ 245,956
|
$ 110,047
|
$ 99,775
|
$ 110,047
|
$ 99,775
|
$ 225,143
|
| International net sales |
|
|
|
|
|
|
| Concentration of Business, Significant Customers and Credit Risk [Line Items] |
|
|
|
|
|
|
| Concentration risk (as a percent) |
|
35.70%
|
38.10%
|
36.10%
|
37.80%
|
|
| Net trade accounts receivable |
|
|
|
|
|
|
| Concentration of Business, Significant Customers and Credit Risk [Line Items] |
|
|
|
|
|
|
| Number of customers |
one
|
|
|
|
|
|
| Customer One | Net trade accounts receivable |
|
|
|
|
|
|
| Concentration of Business, Significant Customers and Credit Risk [Line Items] |
|
|
|
|
|
|
| Concentration risk (as a percent) |
12.80%
|
|
|
|
|
|
| US |
|
|
|
|
|
|
| Concentration of Business, Significant Customers and Credit Risk [Line Items] |
|
|
|
|
|
|
| Property and equipment, net |
$ 211,111
|
$ 220,681
|
|
$ 220,681
|
|
|
| All other countries |
|
|
|
|
|
|
| Concentration of Business, Significant Customers and Credit Risk [Line Items] |
|
|
|
|
|
|
| Property and equipment, net |
$ 26,135
|
$ 26,042
|
|
$ 26,042
|
|
|
| Concentration risk (as a percent) |
|
28.20%
|
28.90%
|
27.30%
|
26.80%
|
|