Benefit for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Current:
Federal	$ 0	$ (529)	$ 529
State	(900)	(152)	1,510
Foreign	13	161	0
Current Income Tax Expense (Benefit), Total	(887)	(520)	2,039
Deferred:
Federal	(25,219)	(4,589)	(29,303)
State	(7,957)	(1,930)	(5,023)
Foreign	0	0	0
Deferred Income Taxes and Tax Credits, Total	(33,176)	(6,519)	(34,326)
Benefit for income taxes	(34,063)	(7,039)	(32,287)
Tax provision (benefit) of discontinued operations	$ 0	$ (6,975)	$ 5,544

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