Components of Deferred Tax Assets and Deferred Tax Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Deferred tax assets:
Net operating loss carryforwards	$ 27,963	$ 29,070
Intangible assets	(12,127)	(17,051)
Compensation relating to stock options	2,199	2,884
Interest rate exchange agreement	38	43
Deferred revenue	1,639	2,049
Accrued rent	1,897	1,567
Tax credits	1,927	1,405
Investments in subsidiairies	352	320
Other	2,181	1,116
Valuation allowance	(970)	(40,863)
Total deferred tax assets	49,353	14,642
Deferred tax liabilities
Indefinite-lived intangible assets	(40,549)	(37,952)
Property and equipment	(569)	(1,507)
Cancellation of debt income	(13,136)	(13,136)
Other	0	(119)
Total deferred tax liabilities	(54,254)	(52,714)
Net deferred tax liabilities	$ (4,901)	$ (38,072)