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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 |

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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=64851502&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=73719730&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=64851502&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=73719730&loc=d3e13537-108611 + Details
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