Description of Business and Summary of Significant Accounting Policies Foreign Currency (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 28, 2017 USD ($)	Feb. 28, 2019 USD ($)	Feb. 28, 2018 USD ($)	Feb. 28, 2017 USD ($)
Foreign Currency Transaction Gain (Loss), before Tax	$ (509)	$ 220	$ (8,769)
Derivative Instruments Not Designated as Hedging Instruments, Loss			6,618
Impairment of Long-Lived Assets Held-for-use	0	$ 3,473	$ 0	$ 0
Venezuelan bolívar fuerte
Foreign Currency Exchange Rate, Translation		3,290	35,280
VENEZUELA
Foreign Currency Transaction Gain (Loss), before Tax	$ (8)	$ (6)	$ (148)