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Earnings per Share (Tables)
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Summary of Calculation of Basic and Diluted Earnings Per Share

A summary of the calculation of basic and diluted earnings per share for the three months ended March 31, 2017 and 2016 is as follows:

 

 

 

Three Months Ended

 

 

 

March 31,

 

(In thousands, except per share amounts)

 

2017

 

 

2016

 

Numerator

 

 

 

 

 

 

 

 

Net income

 

$

6,651

 

 

$

5,014

 

Denominator

 

 

 

 

 

 

 

 

Weighted average number of shares – basic

 

 

48,430

 

 

 

49,220

 

Effect of dilutive securities

 

 

 

 

 

 

 

 

Stock options

 

 

416

 

 

 

120

 

PSUs, RSUs and restricted stock

 

 

93

 

 

 

49

 

Weighted average number of shares – diluted

 

 

48,939

 

 

 

49,389

 

Net income per share – basic

 

$

0.14

 

 

$

0.10

 

Net income per share – diluted

 

$

0.14

 

 

$

0.10