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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2016
Share-based Compensation [Abstract]  
Classification Of Stock-Based Compensation
The following table presents the classification of stock-based compensation:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
2016
 
2015
 
2016
 
2015
 
(In thousands)
Cost of revenues
$
1,779

 
$
1,722

 
$
5,367

 
$
5,202

Sales and marketing
1,129

 
1,683

 
4,219

 
4,800

Research and development
1,676

 
1,478

 
4,966

 
4,890

General and administrative
8,270

 
7,339

 
21,193

 
19,459

Total stock-based compensation expense
$
12,854

 
$
12,222

 
$
35,745

 
$
34,351
Nature Of Total Stock-Based Compensation
The following table presents the nature of the Company’s total stock-based compensation:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
 
(In thousands)
RSUs
$
10,276

 
$
9,871

 
$
28,034

 
$
27,375

Performance-based RSUs
2,216

 
2,041

 
6,878

 
5,879

ESPP
924

 
958

 
2,594

 
3,152

Capitalization (Included in Property and equipment, net)
(562
)
 
(648
)
 
(1,761
)
 
(2,055
)
Total stock-based compensation expense
$
12,854

 
$
12,222

 
$
35,745

 
$
34,351