v2.4.0.6
Earnings Per Share (Tables)
 6 Months Ended
Jun. 29, 2012
EARNINGS PER SHARE (EPS) [Abstract]  
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]
 The following table illustrates the calculation of Basic and Diluted EPS (in thousands, except per share amounts):
    Three Months Ended Six Months Ended
    June 29, July 1, June 29, July 1,
    2012 2011 2012 2011
 Numerator for basic and diluted EPS:           
  Net income$ 3,851 $ 8,550 $ 8,318 $ 20,494
               
 Denominator for basic EPS:           
  Weighted average shares outstanding  23,611   23,227   23,515   23,214
 Effect of dilutive securities:           
  Stock options, restricted stock and restricted stock units  265   611   301   553
 Denominator for diluted EPS  23,876   23,838   23,816   23,767
 Basic EPS$0.16 $0.37 $0.35 $0.88
 Diluted EPS$0.16 $0.36 $0.35 $0.86
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
 The diluted weighted average share calculations do not include the following securities, which are not dilutive to the EPS calculations or the performance criteria have not been met:
           
    Three Months Ended Six Months Ended
    June 29, July 1, June 29, July 1,
    2012 2011 2012 2011
 Time-vested stock options, restricted stock and        
  restricted stock units1,418,000 558,000 1,280,000 671,000
 Performance-vested stock options and restricted       
  stock units718,000 578,000 722,000 596,000