Stock Based Compensation (Detail) - Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (USD $)	3 Months Ended
	May 04, 2013
Balance February 2, 2013	4,663,909
Balance February 2, 2013 (in Dollars per share)	$ 6.45
Balance February 2, 2013	2.7
Balance February 2, 2013	93,037	[1]
Balance February 2, 2013 (in Dollars per share)	$ 6.04
Granted	25,000
Granted (in Dollars per share)	$ 3.48
Granted	9.8
Granted	11,620	[1]
Granted (in Dollars per share)	$ 4.30
Exercised	(1,427,450)
Exercised (in Dollars per share)	$ 3.35
Exercised	(11,620)	[1]
Exercised (in Dollars per share)	$ 4.30
Forfeited	(5,000)
Forfeited (in Dollars per share)	$ 1.79
Canceled	(240,189)
Canceled (in Dollars per share)	$ 8.45
Balance May 4, 2013	3,016,270
Balance May 4, 2013 (in Dollars per share)	$ 7.75
Balance May 4, 2013	3.7
Balance May 4, 2013	93,037	[1]
Balance May 4, 2013 (in Dollars per share)	$ 6.04
Exercisable May 4, 2013	2,338,770
Exercisable May 4, 2013 (in Dollars per share)	$ 9.31
Exercisable May 4, 2013	2.4
Exercisable May 4, 2013	93,037	[1]
Exercisable May 4, 2013 (in Dollars per share)	$ 6.04

[1] Other Share Awards include deferred shares granted to Directors and restricted stock units issued to employees.