Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 27, 2012
Oct. 29, 2011
Oct. 27, 2012
Oct. 29, 2011
Jan. 28, 2012
Income Taxes [Abstract]          
Effective Income Tax Rate, Continuing Operations 41.40% 40.30% 40.20% 40.20%  
Operating Loss Carryforwards, Valuation Allowance         $ 0.1
Deferred Tax Assets, Valuation Allowance, Noncurrent         $ 0.2