Employee Benefit Plans - Additional Information (Detail)	12 Months Ended
Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Defined Benefit Plan Disclosure [Line Items]
Employer's contribution to 401(k) plan	0.00%	0.00%	0.00%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee's contribution to 401(k) plan	50.00%

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration