Note 15. Equity Incentive Plans and Employee Benefits (Detail) - Stock Option Activities (USD $)	3 Months Ended
	May 04, 2013	Feb. 02, 2013
Number of Shares Outstanding	5,055,787
Weighted Average Exercise Price (in Dollars per share)	$ 12.50
February 2, 2013	3,621,537	3,790,842
February 2, 2013 (in Dollars per share)	$ 13.42	$ 13.31
May 4, 2013	3,621,537	3,790,842
May 4, 2013 (in Dollars per share)	$ 13.42	$ 13.31
Exercised	(9,949)
Exercised (in Dollars per share)	$ 3.26
Cancelled or forfeited	(459,834)
Cancelled or forfeited (in Dollars per share)	$ 11.18
Number of Shares Outstanding	4,586,004
Weighted Average Exercise Price (in Dollars per share)	$ 12.65