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Net Income Per Share
 9 Months Ended
Sep. 26, 2012
Net Income Per Share [Abstract]  
Net Income Per Share
Note 12.     Net Income Per Share
 
 
Quarter Ended
  
Three Quarters Ended
 
 
 
September 26, 2012
  
September 28, 2011
  
September 26, 2012
  
September 28, 2011
 
 
 
(In thousands, except for per share amounts)
 
Numerator:
 
 
  
 
  
 
  
 
 
Net income
 $5,363  $7,985  $15,829  $20,239 
Denominator:
                
Weighted average shares - basic
  94,705   96,997   95,472   98,132 
Effect of dilutive securities:
                
Options
  1,006   803   806   1,022 
Restricted stock units and awards
  1,034   946   918   1,049 
Weighted average shares - diluted
  96,745   98,746   97,196   100,203 
Basic net income per share
 $0.06  $0.08  $0.17  $0.21 
Diluted net income per share
 $0.06  $0.08  $0.16  $0.20 
Stock options excluded (1)
  116   2,070   1,550   2,177 
Restricted stock units and awards excluded (1)
  —   538   352   747 
(1)
Excluded from diluted weighted-average shares outstanding as the impact would have been antidilutive.