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Goodwill and Other Intangible Assets (Details 3) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
May 04, 2013
Apr. 28, 2012
Feb. 02, 2013
Goodwill and Intangible Assets      
Pretax amortization expense associated with intangible assets $ 0.8 $ 0.8 $ 3.3
Pretax amortization expense associated with intangible assets, 2013 2.5    
Pretax amortization expense associated with intangible assets, 2014 3.2    
Pretax amortization expense associated with intangible assets, 2015 3.2    
Pretax amortization expense associated with intangible assets, 2016 3.2    
Pretax amortization expense associated with intangible assets, 2017 $ 3.1