Income Taxes - Components of Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Current:
Federal	$ 17,755	$ 10,316	$ 12,650
State and local	2,946	2,205	2,575
Foreign	183	168	1,985
Total current	20,884	12,689	17,210
Deferred:
Federal	(1,550)	803	794
State and local	(731)	411	18
Total deferred	(1,900)	1,263	781
Total provision for income taxes	$ 18,603	$ 13,903	$ 18,022