Description of Business and Summary of Significant Accounting Policies Foreign Currency (Details) $ in Thousands	12 Months Ended
	Feb. 28, 2017 USD ($)	Feb. 29, 2016 USD ($)	Feb. 28, 2015 USD ($)	Feb. 12, 2013
Foreign Currency Transaction Gain (Loss), before Tax	$ (509)	$ 108	$ (6,504)
Asset Impairment Charges	$ 0	$ (9,070)	$ (9,304)
Venezuelan bolívar fuerte
Foreign Currency Exchange Rate, Translation	10.0	205,000	177,000	6.3
VENEZUELA
Real Estate Investment Property, Net	$ 3,679	$ 3,816
Foreign Currency Transaction Gain (Loss), before Tax	(8)	(2)	$ (7,104)
Bonds [Member] | VENEZUELA
Foreign Currency Transaction Gain (Loss), before Tax	$ 0	$ (23)	$ (7,396)