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Share-Based Compensation
6 Months Ended
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation
Share-Based Compensation

The following table summarizes share-based compensation expense related to share-based awards recorded in the statements of income, pursuant to Accounting Standards Codification (“ASC”) 718, Stock Compensation:
 
 
Three months ended June 30,
 
Six months ended June 30,
 
 
2017
 
2016
 
2017
 
2016
Cost of software services, maintenance and subscriptions
 
$
2,253

 
$
1,571

 
$
4,350

 
$
2,888

Selling, general and administrative expenses
 
6,648

 
5,641

 
13,227

 
10,804

Total share-based compensation expense
 
$
8,901

 
$
7,212

 
$
17,577

 
$
13,692