Non-Cash Stock Compensation Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014		May 04, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Non-Cash Stock Compensation	$ 1,367	[1]	$ 510	[1]
Stock Option Modification
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Non-Cash Stock Compensation	585	[2]
Stock Options Grants
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Non-Cash Stock Compensation	713	[3]	490	[3]
Restricted Stock
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Non-Cash Stock Compensation	$ 69	[3]	$ 20	[3]

[1] The tax benefit related to the Company's non-cash stock compensation was $0.5 million and $0.2 million during the three month periods ended May 3, 2014 and May 4, 2013, respectively.

[2] Represents non-cash compensation related to the modification of outstanding stock options granted under the 2006 Plan during Fiscal 2013 which is included in the line item "Stock Option Modification Expense" in the Company's Condensed Consolidated Statements of Operations and Comprehensive Income (Loss).

[3] Included in the line item "Selling and Administrative Expenses" in the Company's Condensed Consolidated Statements of Operations and Comprehensive Income (Loss).