XML 35 R24.htm IDEA: XBRL DOCUMENT v3.4.0.3
STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock-based Compensation Expense
The following table summarizes the stock-based compensation expense recognized in accordance with ASC 718-10 for the three months ended March 31, 2016, and March 31, 2015:
 
Three Months Ended
 
March 31,
(In thousands)
2016

2015
Cost of revenues
$
90

 
$
249

Research and development
1,469

 
1,391

Sales and marketing
1,027

 
1,012

General and administrative
1,830

 
1,739

Total stock-based compensation expense
$
4,416

 
$
4,391
Summary of Option Activity Under the Plans
A summary of stock options outstanding as of March 31, 2016, and activity during the three months then ended, is presented below:
 
Shares
(in thousands)
 
Weighted-
Average
Exercise
Price
 
Weighted-Average
Remaining
Contractual
Term
(in years)
 
Aggregate
Intrinsic Value
(in thousands)
Outstanding at January 1, 2016
1,030

 
$
27.58

 
 
 
 
Granted
—

 
$
—

 
 
 
 
Exercised
(24
)
 
$
24.14

 
 
 
 
Forfeited or expired
—

 
$
—

 
 
 
 
Outstanding at March 31, 2016
1,006

 
$
27.66

 
2.99
 
$
22,141

Exercisable at March 31, 2016
1,002

 
$
27.60

 
2.98
 
$
22,112

Vested and expected to vest at March 31, 2016
1,006

 
$
27.66

 
2.99
 
$
22,141
Performance Based Awards (PSUs)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
A summary of PSUs outstanding as of March 31, 2016, and activity during the three months then ended, is presented below:
 
Shares
(in thousands)
 
Weighted- Average Grant Date Fair Value Per Share
 
Weighted-Average Remaining Contractual Term
(in years)
 
Aggregate Intrinsic Value
(in thousands)
Outstanding at January 1, 2016
11

 
$
52.35

 
 
 
 
Granted
64

 
$
44.27

 
 
 
 
Vested
(11
)
 
$
52.35

 
 
 
 
Forfeited
—

 
$
—

 
 
 
 
Outstanding at March 31, 2016
64

 
$
44.27

 
0.75
 
$
3,188

Outstanding and expected to vest at March 31, 2016
57

 
 
 
0.75
 
$
2,837
Long-Term Performance-Based Awards (PRSUs)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
A summary of PRSUs outstanding as of March 31, 2016, and activity during the three months then ended, is presented below:
 
Shares
(in thousands)
 
Weighted- Average Grant Date Fair Value Per Share
 
Weighted-Average Remaining Contractual Term
(in years)
 
Aggregate Intrinsic Value
(in thousands)
Outstanding at January 1, 2016
129

 
$
53.75

 
 
 
 
Granted
78

 
$
43.26

 
 
 
 
Vested
—

 
$
—

 
 
 
 
Forfeited
—

 
$
—

 
 
 
 
Outstanding at March 31, 2016
207

 
$
49.78

 
1.85
 
$
10,284

Outstanding and expected to vest at March 31, 2016
96

 
 
 
1.82
 
$
4,747
Restricted Stock Units (RSUs)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
A summary of RSUs outstanding as of March 31, 2016, and changes during the three months ended, are as follows: 
 
Shares
(in thousands)
 
Weighted- Average Grant Date Fair Value Per Share
 
Weighted-Average Remaining Contractual Term
(in years)
 
Aggregate Intrinsic Value
(in thousands)
Outstanding at January 1, 2016
681

 
$
46.98

 
 
 
 
Granted
126

 
$
42.97

 
 
 
 
Vested
(79
)
 
$
45.98

 
 
 
 
Forfeited
(7
)
 
$
46.35

 
 
 
 
Outstanding at March 31, 2016
721

 
$
46.39

 
1.58
 
$
35,807

Outstanding and expected to vest at March 31, 2016
673

 
 
 
1.30
 
$
33,426