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Concentration of Business (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2018 USD ($) supplier tannery | Jun. 30, 2017 USD ($) | Mar. 31, 2018 USD ($)
Concentration Risk [Line Items] |  |  |
Number of tanneries | tannery | 2 |  |
Number of suppliers | supplier | 2 |  |
Long-lived assets | $ 217,653 |  | $ 220,162
International Net Sales |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (as a percent) | 43.50% | 42.40% |
Sales Revenue, Net | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (as a percent) | 20.50% | 19.90% |
Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (as a percent) | 25.80% | 21.60% |
US |  |  |
Concentration Risk [Line Items] |  |  |
Long-lived assets | $ 203,029 |  | 203,956
All other countries |  |  |
Concentration Risk [Line Items] |  |  |
Revenue | $ 64,426 | $ 49,233 |
Concentration risk (as a percent) | 25.70% | 23.50% |
Long-lived assets | $ 14,624 |  | $ 16,206

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
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