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Other Changes Recognized in Other Comprehensive Loss (Detail) (Supplemental Employee Retirement Plans, Defined Benefit, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Supplemental Employee Retirement Plans, Defined Benefit
     
Defined Benefit Plan Disclosure [Line Items]      
Unrecognized losses at the beginning of the year $ 144 $ 56 $ 49
Net periodic pension cost (30) (30) (31)
Employer contribution 30 30 30
Change in plan assets and benefit obligations 27 88 8
Unrecognized losses at the end of year $ 171 $ 144 $ 56