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Reportable Segment Information - (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Oct. 27, 2012
Oct. 29, 2011
Oct. 27, 2012
Oct. 29, 2011
Jan. 28, 2012
Segment Reporting Information [Line Items]          
Total revenues $ 200,005 $ 196,685 $ 709,412 $ 707,151  
Interest and other income 814 861 2,705 2,767  
Total Assets 580,195 536,695 580,195 536,695 551,089
Capital expenditures     30,966 26,608  
ReportableSegmentsMemberRetail [Member]
          
Segment Reporting Information [Line Items]          
Total revenues 198,247 194,769 704,019 701,361  
Depreciation 5,333 5,302 16,820 16,069  
Interest and other income (814) (861) (2,705) (2,767)  
Total Assets 503,110 462,588 503,110 462,588  
Capital expenditures 11,044 10,857 30,966 26,522  
Income Before Taxes 6,153 8,100 83,433 82,284  
ReportableSegmentsMemberCredit [Member]
          
Segment Reporting Information [Line Items]          
Total revenues 1,758 1,916 5,393 5,790  
Depreciation 13 19 39 27  
Interest and other income 0 0 0 0  
Total Assets 77,085 74,107 77,085 74,107  
Capital expenditures 0 0 0 86  
Income Before Taxes $ 669 $ 802 $ 2,307 $ 2,383