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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Weighted Average Shares and Share Equivalents Used to Calculate Basic and Diluted Earnings Per Share

The following weighted average shares and share equivalents were used to calculate basic and diluted earnings per share for the years ended December 31, 2016, 2015 and 2014:

 

 

 

Year Ended December 31,

 

 

 

2016

 

 

2015

 

 

2014

 

Weighted average number of shares outstanding used to

   calculate basic EPS

 

 

3,847

 

 

 

4,022

 

 

 

4,278

 

Dilutive securities:

 

 

 

 

 

 

 

 

 

 

 

 

Stock options and restricted share units

 

 

257

 

 

 

233

 

 

 

157

 

Weighted average number of shares and share equivalents

   outstanding used to calculate diluted EPS

 

 

4,104

 

 

 

4,255

 

 

 

4,435

 

 

Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following stock options and restricted share units issued under equity incentive plans were outstanding during the years ended December 31, 2016, 2015 and 2014; however, they were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive.

  

 

 

Year Ended December 31,

 

 

 

2016

 

 

2015

 

 

2014

 

Anti-dilutive securities

 

 

87

 

 

 

50

 

 

 

757