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Stock Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2017
Stock-Based Compensation [Abstract]  
Stock Based Compensation Expense



 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 



Three months ended June 30,

 

Six months ended June 30,



2017

 

2016

 

2017

 

2016

Stock based compensation expense

$

 20,783 

 

$

 19,875 

 

$

 37,476 

 

$

 30,721 

Stock based compensation expense, net of tax

$

 12,713 

 

$

 11,945 

 

$

 22,924 

 

$

 18,463 

Stock based compensation expense recognized as capitalized development

$

 393 

 

$

 341 

 

$

 630 

 

$

 683 

Excess tax benefit on stock based compensation recognized in provision for income taxes

$

 422 

 

$

 -

 

$

 664 

 

$

 -