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Fair Value Measurements (Details 3) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Asset impairment charge        
Period of time new stores would need to be opened to be considered for impairment     1 year  
Selling, general and administrative expenses
       
Asset impairment charge        
Charges related to asset impairments $ 0.8 $ 3.6 $ 3.9 $ 3.7