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COMPUTATION OF EARNINGS PER COMMON SHARE (Tables)
 12 Months Ended
Jul. 28, 2012
Computation of Earnings Per Common Share [Abstract]  
Reconciliation of the numerator and denominator of th basic and diluted earnings (loss) per common share
The following is a reconciliation of the numerator and denominator of the basic and diluted earnings per common share computation as required by ASC Topic 260, Earnings Per Share.

   
Fiscal Year Ended
 
   
2012
  
2011
  
2010
 
   
(Dollars in thousands, except per share amounts)
 
           
Net income available to common stockholders (numerator)
 $39,378  $16,107  $5,849 
              
Weighted-average number of common shares (denominator)
  33,653,055   35,306,900   38,931,029 
              
Basic earnings per common share
 $1.17  $0.46  $0.15 
              
Weighted-average number of common shares
  33,653,055   35,306,900   38,931,029 
Potential common stock arising from stock options, and unvested restricted share units
  828,840   447,268   65,837 
Total shares-diluted (denominator)
  34,481,895   35,754,168   38,996,866 
              
Diluted earnings per common share
 $1.14  $0.45  $0.15 
              
Anti-dilutive weighted shares excluded from the calculation of earnings per share
  1,262,964   2,071,254   2,647,975