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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 07, 2011
Nov. 05, 2012
Nov. 07, 2011
Jan. 30, 2012
Income Tax Disclosure [Abstract]        
Release of valuation allowance for deferred tax assets   $ 6,370    
Valuation allowance   2,935    
Unrecognized tax benefits released due to statute closures 237   237  
Unrecognized tax benefits       2,977
Reasonably possible decrease in unrecognized tax benefits during the next twelve months   $ 1,642