v2.4.0.6
Employees' Defined Contribution Plan - Additional Information (Detail) (USD $)
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Defined Benefit Plan Disclosure [Line Items]      
Company's contributions to the Savings plan $ 4,600,000 $ 4,100,000 $ 3,600,000
Maximum
     
Defined Benefit Plan Disclosure [Line Items]      
Percentage of eligible gross cash compensation employees are allowed to invest in the savings plan 60.00%    
Employee annual investment in the savings plan, maximum $ 17,000