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Leases (Detail) - Schedule of future minimum lease payment (Building [Member], USD $)
In Thousands, unless otherwise specified
Feb. 02, 2013
Jan. 28, 2012
Building [Member]
   
Buildings $ 9,342 $ 9,342
Allowances for depreciation and amortization (7,591) (7,259)
$ 1,751 $ 2,083