Stockholders' Equity - Summary of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	May 31, 2019	Feb. 28, 2019
Equity [Abstract]
Accumulated loss from foreign currency translation adjustment, net of tax	$ (47,756)	$ (41,500)
Accumulated unrealized gain (loss), net of tax, on available-for-sale securities	98	(1,122)
Accumulated other comprehensive loss	$ (47,658)	$ (42,622)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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