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Income Taxes (Details Textual) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Oct. 31, 2016 | Jan. 31, 2016 | Jan. 31, 2015
Income Taxes [Line Items] |  |  |
Undistributed Earnings of Foreign Subsidiaries | $ 24.1 | $ 22.3 |
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries | 3.4 |  |
Deferred Tax Assets, Valuation Allowance, Noncurrent | 2.0 | 2.0 |
Brazil [Member] |  |  |
Income Taxes [Line Items] |  |  |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 2.2 |  |
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount | $ 9.5 |  |
Weifang Meiyang Protective Products Co., Ltd [Member] |  |  |
Income Taxes [Line Items] |  |  |
Estimated Dividends, Amount |  |  | $ 1.0
Estimated Dividends, Percentage |  |  | 33.00%
Percentage Of Net Income |  |  | 50.00%
Beijing Protective Products Co Ltd [Member] |  |  |
Income Taxes [Line Items] |  |  |
Estimated Dividends, Amount |  | $ 1.0 |

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