Composition of Provision (Benefit) for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Current:
Federal	$ 13,333	$ (1,575)	$ (4,040)
State	2,298	831	(372)
Current Income Tax Expense (Benefit), Total	15,631	(744)	(4,412)
Deferred:
Federal	(3,385)	153	(814)
State	(739)	(736)	35
Increase (Decrease) in Deferred Income Taxes	(4,124)	(583)	(779)
Total income tax expense (benefit)	$ 11,507	$ (1,327)	$ (5,191)