Components of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Feb. 29, 2016	Feb. 28, 2015
Deferred tax assets:
Net operating loss carryforwards	$ 34,341	$ 32,627
Intangible assets	28,737	30,299
Compensation relating to stock options	1,768	1,438
Deferred revenue	840	1,260
Accrued rent	2,275	2,071
Tax credits	3,265	1,987
Investments in subsidiairies	214	2,951
Capital loss carryforward	2,740	0
Other	1,628	1,875
Valuation allowance	(66,674)	(62,984)
Total deferred tax assets	9,134	11,524
Deferred tax liabilities
Indefinite-lived intangible assets	(43,673)	(41,576)
Property and equipment	(1,055)	(751)
Cancellation of debt income	(8,079)	(10,772)
Other	(42)	(39)
Total deferred tax liabilities	(52,849)	(53,138)
Net deferred tax liabilities	$ (43,715)	$ (41,614)