Summary of Significant Accounting Policies Advertising (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Advertising [Line Items]      
Advertising Expense $ 85.8 $ 83.2 $ 72.6
Minimum [Member]
     
Advertising [Line Items]      
Advertising Costs, Expected Future Revenue Stream 1 month    
Maximum [Member]
     
Advertising [Line Items]      
Advertising Costs, Expected Future Revenue Stream 3 months