Stock Option and Award Plans and Stock Based Compensation - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended							1 Months Ended		1 Months Ended		12 Months Ended																								1 Months Ended		1 Months Ended
	Apr. 30, 2012	Feb. 02, 2013		Jan. 28, 2012		Jan. 29, 2011		Jan. 30, 2010	Apr. 13, 2006 Common Class A	Feb. 02, 2013 Common Class A	Apr. 13, 2006 Common Class L	Feb. 02, 2013 Common Class L	Feb. 02, 2013 Restricted Stock		Jan. 28, 2012 Restricted Stock		Jan. 29, 2011 Restricted Stock		Feb. 02, 2013 90 per unit prior to May 1, 2011	Jan. 28, 2012 90 per unit prior to May 1, 2011	Jan. 29, 2011 90 per unit prior to May 1, 2011	Feb. 02, 2013 180 per unit prior to May 1, 2011	Jan. 28, 2012 180 per unit prior to May 1, 2011	Jan. 29, 2011 180 per unit prior to May 1, 2011	Feb. 02, 2013 50 per unit from May 1, 2011 through May 17, 2012	Jan. 28, 2012 50 per unit from May 1, 2011 through May 17, 2012	Jan. 29, 2011 50 per unit from May 1, 2011 through May 17, 2012	Feb. 02, 2013 50 per unit from May 1, 2011 through May 17, 2012	Jan. 28, 2012 50 per unit from May 1, 2011 through May 17, 2012	Jan. 29, 2011 50 per unit from May 1, 2011 through May 17, 2012	Feb. 02, 2013 65 per unit from and after May 17, 2012	Jan. 28, 2012 65 per unit from and after May 17, 2012	Jan. 29, 2011 65 per unit from and after May 17, 2012	Feb. 02, 2013 120 per unit from and after May 17, 2012	Jan. 28, 2012 120 per unit from and after May 17, 2012	Jan. 29, 2011 120 per unit from and after May 17, 2012	Apr. 30, 2012 Exercise Prices $30.60	Feb. 02, 2013 Exercise Prices $30.60	Apr. 30, 2012 Exercise Prices $120.00	Feb. 02, 2013 Exercise Prices $120.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock in each unit									9		1
Number of units reserved under plans		730,478								6,574,302		730,478
Non-Cash Stock Compensation Expense		$ 2,747,000	[1]	$ 5,797,000	[1]	$ 2,230,000	[1]						$ 487,000	[1],[2]	$ 1,187,000	[1],[2]	$ 852,000	[1],[2]
Options granted, exercise prices		$ 83.16		$ 72.12		$ 120.00													$ 90	$ 90	$ 90	$ 180	$ 180	$ 180	$ 50	$ 50	$ 50	$ 120	$ 120	$ 120	$ 65	$ 65	$ 65	$ 120	$ 120	$ 120	$ 30.60		$ 120.60
Options granted, percentage vested	40.00%
Unexercised vested options, exercisable period		60 days
Options outstanding		424,231		472,673		489,499		478,500																														164,280		46,333
Service-based awards, service period		5 years											3 years
Unearned non-cash stock-based compensation		$ 3,400,000											$ 200,000
Outstanding options, vested percentage		39.80%
Restricted stock, granted													5,000
Unearned non-cash stock-based compensation, period for recognition													2 years 3 months 18 days
Restricted stock award outstanding, vested													91,460

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

[2] Results in expense net of tax of $0.3 million, $0.7 million and $0.5 million during Fiscal 2012, Fiscal 2011 and Fiscal 2010, respectively.