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Concentration of Business (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) tannery | Jun. 30, 2020 USD ($) | Mar. 31, 2021 USD ($)
Concentration Risk [Line Items] |  |  |
Net sales | $ 504,678 | $ 283,169 |
Number of tanneries | tannery | 2 |  |
Long-lived assets | $ 222,348 |  | $ 206,210
Sales Revenue, Net | Customer Concentration Risk | One Customer |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk |  | 10.70% |
Trade Accounts Receivable | Customer Concentration Risk | One Customer |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 14.00% |  | 12.80%
Foreign |  |  |
Concentration Risk [Line Items] |  |  |
Long-lived assets | $ 10,919 |  | $ 11,377
Foreign | International net sales |  |  |
Concentration Risk [Line Items] |  |  |
Net sales | 168,619 | $ 98,869 |
Foreign | Net sales in foreign currencies |  |  |
Concentration Risk [Line Items] |  |  |
Net sales | $ 89,433 | $ 55,683 |
Foreign | Sales Revenue, Net | International net sales |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 33.40% | 34.90% |
Foreign | Sales Revenue, Net | Net sales in foreign currencies |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 17.70% | 19.70% |
Foreign | Sales Revenue, Net | Customer Concentration Risk | 10 Largest Customers |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 26.50% | 22.10% |
US |  |  |
Concentration Risk [Line Items] |  |  |
Long-lived assets | $ 211,429 |  | $ 194,833

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