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Share-Based Compensation
9 Months Ended
Sep. 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 September 30,
 
Nine months ended September 30,
 
 
2017
 
2016
 
2017
 
2016
Cost of software services, maintenance and subscriptions
 
$
2,524

 
$
1,779

 
$
6,874

 
$
4,668

Selling, general and administrative expenses
 
7,267

 
5,877

 
20,494

 
16,680

Total share-based compensation expense
 
$
9,791

 
$
7,656

 
$
27,368

 
$
21,348