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Net Income Per Share (Tables)
9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Reconciliation of the basic and diluted net income per share computations

A reconciliation of the share denominator of the basic and diluted net income per share computations for three and nine months ended September 30, 2017 and September 24, 2016 is as follows (in thousands):

 

 

 

Three Month Ended

 

 

Nine Months Ended

 

 

 

September 30, 2017

 

 

September 24, 2016

 

 

September 30, 2017

 

 

September 24, 2016

 

Weighted average common shares outstanding used in

   basic net income (loss) per share calculation

 

 

25,494

 

 

 

24,826

 

 

 

25,320

 

 

 

24,550

 

Potential dilutive common stock equivalents,

   using treasury stock method

 

 

438

 

 

 

456

 

 

 

613

 

 

 

429

 

Weighted average shares used in diluted net income

   (loss) per share calculation

 

 

25,932

 

 

 

25,282

 

 

 

25,933

 

 

 

24,979