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Note 16. Net Income (Loss) Per Share (Tables)
12 Months Ended
Feb. 02, 2013
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Fiscal Years Ended
 
   
February 2, 2013
   
January 28, 2012
   
January 29, 2011
 
                   
Net income (loss), as reported
  $ (101,768 )   $ (168,045 )   $ 9,147  
Weighted-average common shares outstanding- basic
    33,205       32,036       31,245  
Dilutive effect of employee stock plans
    -       -       487  
Weighted-average common shares outstanding- diluted
    33,205       32,036       31,732  
Net income (loss) per share- basic
  $ (3.06 )   $ (5.25 )   $ 0.29  
Net income (loss) per share- diluted
  $ (3.06 )   $ (5.25 )   $ 0.29  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   
Fiscal Years Ended
 
   
February 2, 2013
   
January 28, 2012
   
January 29, 2011
 
                         
Stock options excluded because the effect of including would be anti-dilutive
    137       353       -  
Stock options excluded because exercise price is in excess of average stock price
    5,401       4,940       4,692  
Restricted stock awards and units excluded because the effect of including would be anti-dilutive
    89       -       -  
Restricted stock awards and units excluded because potential buyback shares exceed weighted average restricted stock units and awards outstanding
    255       -       -