Description of Business and Summary of Significant Accounting Policies Investment Securities Notes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Cost Method Investments	$ 2,225	$ 2,319
Available-for-sale Investment, Ownership Percentage	20.00%
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities		0	1,225
Available-for-sale Securities	3	3
Cost Method Investment, Additional Investment In	$ 0	$ 250	$ 0
Cost Method Investment, Ownership Percentage	16.50%