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v3.19.3

Concentration of Business (Details) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2019 USD ($) supplier tannery | Mar. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) supplier tannery | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) supplier tannery | Sep. 30, 2018 USD ($)
Concentration Risk [Line Items] |  |  |  |  |  |
Net sales |  |  | $ 542,205 | $ 501,913 | $ 819,044 | $ 752,507
Number of tanneries | tannery | 2 |  | 2 |  | 2 |
Number of suppliers | supplier | 2 |  | 2 |  | 2 |
Long-lived assets | $ 212,323 | $ 213,796 | $ 212,323 |  | $ 212,323 |
Sales Revenue, Net | International net sales |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Net sales |  |  | $ 184,234 | $ 190,320 | $ 293,778 | $ 299,207
Concentration risk (as a percent) |  |  | 34.00% | 37.90% | 35.90% | 39.80%
Sales Revenue, Net | Net sales in foreign currencies |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Net sales |  |  | $ 159,059 | $ 162,587 | $ 218,416 | $ 227,013
Concentration risk (as a percent) |  |  | 29.30% | 32.40% | 26.70% | 30.20%
Sales Revenue, Net | Customer Concentration Risk |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk (as a percent) |  |  | 36.60% | 36.60% | 30.40% | 31.60%
Accounts Receivable | Customer Concentration Risk |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Concentration risk (as a percent) | 11.80% | 0.00% |  |  |  |
US |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Long-lived assets | $ 196,598 | $ 196,702 | $ 196,598 |  | $ 196,598 |
Foreign |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |
Long-lived assets | $ 15,725 | $ 17,094 | $ 15,725 |  | $ 15,725 |

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