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Short-Term Investment Reconciliation - (Tables)
12 Months Ended
Feb. 02, 2013
Investments, Debt and Equity Securities  
Schedule Of Available For Sale Securities Reconciliation to Fair Value
  February 2, 2013  January 28, 2012
 Debt securities     Debt securities    
 issued by various        issued by various       
 states of the United       states of the United      
 States and political Corporate    States and political Corporate   
 subdivisions of  debt    subdivisions of  debt   
 the states securities Total the states securities Total
Cost basis  148,605   7,989   156,594   177,019   27,552   204,571
Unrealized gains  980   46   1,026   1,032   187   1,219
Unrealized (loss)  (42)   -   (42)   (12)   (7)   (19)
Estimated fair value$ 149,543 $ 8,035 $ 157,578 $ 178,039 $ 27,732 $ 205,771