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Income Taxes (Details 5) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Income Taxes  
Total amount of anticipated decrease in unrecognized tax benefits in the next 12 months, minimum $ 250
Total amount of anticipated decrease in unrecognized tax benefits in the next 12 months, maximum $ 700
Federal tax
 
Income Taxes  
Period of statute of limitation 3 years
State tax
 
Income Taxes  
Period of statute of limitation 4 years