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Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2016 | Apr. 30, 2015 | Jan. 31, 2016 | Jan. 31, 2015
Income Taxes [Line Items] |  |  |  |
Undistributed Earnings of Foreign Subsidiaries | $ 22,800 |  |  | $ 21,600
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries | 3,200 |  |  |
Deferred Tax Assets, Valuation Allowance, Noncurrent | 2,200 |  | $ 2,200 |
Provision (Benefit) For Income Taxes | (24) | $ 892 |  |
Brazil [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 2,900 |  |  |
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount | 9,500 |  |  |
Federal State And Foreign Income Taxes [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Provision (Benefit) For Income Taxes | $ 100 | $ 800 |  |
Weifang Meiyang Protective Products Co., Ltd [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Estimated Dividends, Amount |  |  |  | $ 1,000
Estimated Dividends, Percentage |  |  |  | 33.00%
Percentage Of Net Income |  |  |  | 50.00%

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31917-109318 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31928-109318 + Details
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