Stockholders Equity (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Apr. 30, 2018 USD ($) $ / shares
Equity [Abstract]
Company restriction from issuing dividends or making payments with respect to the Company's Capital Stock to it's annual limit | $	$ 2
Dividends declared (usd per share) | $ / shares	$ 0.015