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12. Subsequent Events	3 Months Ended
	Apr. 30, 2017
Subsequent Events [Abstract]
Subsequent Events [Text Block]	12.      Subsequent Events Dividends On June 6, 2017, our board of directors declared a quarterly cash dividend of $0.12 per share, payable on June 30, 2017 to shareholders of record at June 16, 2017.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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