Stock Options and Stock-Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended					8 Months Ended			12 Months Ended						12 Months Ended	8 Months Ended	12 Months Ended			8 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Oct. 29, 2011	Jul. 30, 2011	Feb. 02, 2013 Employee Event	Jan. 28, 2012	Jan. 29, 2011	Sep. 09, 2008	Jul. 23, 2007	Feb. 02, 2008 Employee Awards	Feb. 02, 2008 Senior Executive	Feb. 02, 2008 Time and Performance Based Stock Options	Feb. 02, 2013 Time and Performance Based Stock Options	Jan. 28, 2012 Time and Performance Based Stock Options	Jan. 29, 2011 Time and Performance Based Stock Options	Feb. 02, 2013 New Option Issued	Jun. 15, 2012 New Option Issued Minimum	Jun. 15, 2012 Performance Shares	Feb. 02, 2013 Performance Shares New Option Issued Employee	Feb. 02, 2008 Buy One Get One Option	Feb. 02, 2013 Buy One Get One Option	Jan. 28, 2012 Buy One Get One Option	Jan. 29, 2011 Buy One Get One Option	Feb. 02, 2008 Buy One Get One Option Senior Management and Board of Directors	Jan. 28, 2012 Buy One Get One Option Employees	May 29, 2007 Time Vested Restricted Shares	Jan. 28, 2012 Time Vested Restricted Shares	Jan. 29, 2011 Time Vested Restricted Shares	May 29, 2012 Time Vested Restricted Shares	May 29, 2010 Time Vested Restricted Shares	May 29, 2009 Time Vested Restricted Shares	May 29, 2008 Time Vested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance						8,200,000	6,860,000				3,025,164	713,800	995,000
Share available for future grant			3,172,335
Purchase price of common stock			$ 10.00
Share based compensation arrangement by share based payment award option exercisable weighted average exercise price										$ 10.00									$ 10.00
Stock based compensation expense			$ (1,050,000)	$ (1,646,000)	$ 5,013,000						$ (1,200,000)	$ (2,200,000)	$ 4,200,000
Reversal of stock compensation expense			3,200,000	5,100,000
Amount of forfeitures of stock options for former			1,700,000	3,800,000
Income tax expense (benefit)			400,000	600,000	(1,700,000)
Option conversion basis																1 for 2 basis
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date			Jul. 16, 2019
Share Price															$ 25
Number consecutive trading days														30 days
Minimum average stock price														$ 25
Percentage of outstanding share sold for cash before IPO														25.00%
Minimum market consideration price per share														$ 25
Stock based compensation expense																	1,200,000		197,000	497,000	702,000		300,000		15,000	67,000
Number of employees affected with Exchange Offer																	125
Vesting events applicable to Performance Options and to certain Stretch Performance Options			2
Incremental compensation cost associated with the modifications to the Company's Incentive Plan	300,000	200,000	2,200,000
Number of employees affected plan modification			155
Number of grants made during the period								3,265,000	1,850,000									970,000	55,000	186,000	6,000	312,500	179,000
Stock options expiration period after the date of grant										7 years
Option granted expiration period																		7 years
Weighted average grant date fair value of options granted			$ 1.61	$ 2.63	$ 3.35
Unrecognized stock-based compensation expense			3,900,000
Non-vested stock options expected to be recognized over a weighted-average period			3 years 8 months 12 days																4 years
Restricted common stock issued to certain members of executive management																								125,000
Share vested rate																											25.00%	25.00%	25.00%	25.00%
Weighted average grant date fair value																								$ 10.00
Aggregate fair value																								1,250,000
Unearned stock based compensation																									$ 0