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Computation of Earnings Per Common Share (Tables)
 6 Months Ended
Jan. 26, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share Reconciliation
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.

 
For the Three Months Ended
 
For the Six Months Ended
 
January 26, 2013
 
January 28, 2012
 
January 26, 2013
 
January 28, 2012
 
(Dollars in thousands, except per share amounts)
Net income available to common stockholders (numerator)
$
1,463

 
$
3,485

 
$
13,323

 
$
16,451

 
 
 
 
 
 
 
 
Weighted-average number of common shares (denominator)
32,780,667

 
33,759,015

 
32,935,305

 
33,633,596

 
 
 
 
 
 
 
 
Basic earnings per common share
$
0.04

 
$
0.10

 
$
0.40

 
$
0.49

 
 
 
 
 
 
 
 
Weighted-average number of common shares
32,780,667

 
33,759,015

 
32,935,305

 
33,633,596

Potential common stock arising from stock options, and unvested restricted share units
733,749

 
877,505

 
671,875

 
797,823

Total shares-diluted (denominator)
33,514,416

 
34,636,520

 
33,607,180

 
34,431,419

 
 
 
 
 
 
 
 
Diluted earnings per common share
$
0.04

 
$
0.10

 
$
0.40

 
$
0.48

 
 
 
 
 
 
 
 
Anti-dilutive weighted shares excluded from the calculation of earnings per share
1,289,661

 
1,220,534

 
1,483,241

 
2,011,358