Loss on Disposal of Subsidiaries (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2015	Oct. 31, 2014
Loss on Disposal of Subsidiaries [Abstract]
Business Exit Costs	$ 182	$ 0	$ 699	$ 0