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