Description of Business and Summary of Significant Accounting Policies Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Cash and Cash Equivalents, at Carrying Value	$ 7,800	$ 11,767	$ 8,448	$ 10,603
Non-US [Member]
Cash and Cash Equivalents, at Carrying Value	$ 7,122	$ 10,425