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2315301 - Disclosure - Stock-Based Compensation (Tables)
(http://www.akamai.com/role/StockBasedCompensationTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001086222 (http://www.sec.gov/CIK)
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
 
Schedule of Stock Based Compensation Expense
The following table summarizes the components of total stock-based compensation expense included in the Company’s consolidated statements of income for the years ended December 31, 2016, 2015 and 2014 (in thousands):
 
 
2016
 
2015
 
2014
Cost of revenue
$
18,287

 
$
14,145

 
$
11,934

Research and development
29,739

 
23,927

 
19,341

Sales and marketing
55,407

 
53,542

 
47,570

General and administrative
41,073

 
35,063

 
33,151

Total stock-based compensation
144,506

 
126,677

 
111,996

Provision for income taxes
(49,014
)
 
(49,033
)
 
(39,182
)
Total stock-based compensation, net of taxes
$
95,492

 
$
77,644

 
$
72,814

  
Schedule of Stock Options Granted Black Scholes
The grant-date fair values of the Company's stock option awards granted during the year ended December 31, 2014 were estimated using the Black-Scholes option pricing model with the following weighted-average assumptions:
 
 
2014
Expected term (in years)
4.4

Risk-free interest rate
0.8
%
Expected volatility
40.4
%
Dividend yield
—
%
  
Schedule of Assumptions Used
The grant-date fair values of the Company's RSUs with market-based vesting conditions granted during the year ended December 31, 2016 were estimated using a Monte Carlo simulation model with the following assumptions:

 
2016
Expected term (in years)
3.0

Risk-free interest rate
0.8
%
Akamai historical share price volatility
34.3
%
Average volatility of peer-company share price
27.6
%
The grant-date fair values of the Company's ESPP awards granted during the years ended December 31, 2016, 2015 and 2014 were estimated using the Black-Scholes option pricing model with the following weighted-average assumptions:
 
 
2016
 
2015
 
2014
Expected term (in years)
0.5

 
0.5

 
0.5

Risk-free interest rate
0.5
%
 
0.2
%
 
0.1
%
Expected volatility
36.2
%
 
28.0
%
 
33.5
%
Dividend yield
—
%
 
—
%
 
—
%
  
Schedule of Summary of Stock Option Activity
The following table summarizes stock option activity during the year ended December 31, 2016:
 

Shares
(in thousands)

Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Term
(in years)
 
Aggregate Intrinsic Value
(in thousands)
Outstanding at January 1, 2016
1,524

 
$
32.39

 
 
 
 
Exercised
(643
)
 
28.17

 
 
 
 
Forfeited
(7
)
 
29.69

 
 
 
 
Outstanding at December 31, 2016
874

 
$
35.51

 
2.36
 
$
27,261

Exercisable at December 31, 2016
829

 
$
35.58

 
2.24
 
$
25,781

Vested or expected to vest December 31, 2016
870

 
$
35.52

 
2.35
 
$
27,123

  
Schedule Of Deferred Stock Units Activity
The following table summarizes the DSU activity for the year ended December 31, 2016:

 
Units
(in thousands)
 
Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016
146

 
$
45.42

Granted
46

 
50.72

Vested and distributed
(28
)
 
57.24

Outstanding at December 31, 2016
164

 
$
44.90


  
Schedule of Restricted Stock Units by Type
The following table summarizes the different types of restricted stock units ("RSUs") granted by the Company during the year ended December 31, 2016 (in thousands):
 
 
December 31, 2016
RSUs with service-based vesting conditions
3,873

RSUs with market-based vesting conditions
127

RSUs with performance-based vesting conditions
116

Total
4,116


  
Schedule of Restricted Stock Units Activity
The following table summarizes the RSU activity for the year ended December 31, 2016:
 

Units
(in thousands)

Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016
4,495


$
62.20

Granted
4,116


56.40

Vested
(2,374
)

59.13

Forfeited
(527
)

59.68

Outstanding at December 31, 2016
5,710


$
59.51