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Supplemental Employee Retirement Plan (Details 2) (Pension, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Pension
     
Defined Benefit Plan Disclosure [Line Items]      
Interest cost $ 81 $ 94 $ 103
Amortization of actuarial gain 0 (7) (16)
Net periodic pension cost $ 81 $ 87 $ 87