XML 70 R37.htm IDEA: XBRL DOCUMENT v3.10.0.1
Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Selected Financial Impact of Share-based Compensation
The following is a summary of share-based compensation costs and related tax benefits recorded in our consolidated statements of income for the years ended December 31, 2018, 2017 and 2016 (in thousands):

 
For the Years Ended December 31,

 
2018
 
2017
 
2016

 
 
 
 
 
 
Share-based compensation expense included in cost of revenue
 
$
2,816

 
$
2,675

 
$
2,305

Share-based compensation expense included in operating expenses
 
22,341

 
20,842

 
17,586

Total share-based compensation expense included in consolidated statements of income
 
25,157

 
23,517

 
19,891

Income tax benefit resulting from share-based compensation expense
 
(4,190
)
 
(6,810
)
 
(6,143
)
Net share-based compensation expense included in consolidated statements of income, excluding tax benefit from settlement of share-based awards
 
20,967

 
16,707

 
13,748

Income tax benefit resulting from settlement of share-based awards under ASU 2016-09
 
(21,496
)
 
(27,743
)
 
—

Net (benefit) expense related to share-based compensation arrangements included in consolidated statements of income
 
$
(529
)
 
$
(11,036
)
 
$
13,748
Schedule of Weighted Averages of the Assumptions Used in Estimating the Fair Value of Stock Option Awards
The weighted averages of the valuation assumptions used to determine the fair value of each option award on the date of grant and the weighted average estimated fair values were as follows:

 
For the Years Ended December 31,

 
2018
 
2017
 
2016

 
 

 
 

 
 

Share price at grant
 
$
179.56

 
$
142.89

 
$
69.07

Expected stock price volatility
 
24
%
 
26
%
 
25
%
Expected term, in years
 
5.8

 
5.8

 
5.7

Risk-free interest rate
 
2.7
%
 
2.0
%
 
1.2
%
Weighted average fair value of options granted
 
$
52.99

 
$
40.83

 
$
17.87
Schedule of Stock Option Activity
A summary of the status of options granted under our share-based compensation plans at December 31, 2018, and changes during the year then ended, are presented in the table below:

 
Number of Options (000)
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Term
 
Aggregate Intrinsic Value ($000)

 
 

 
 

 
 
 
 

Outstanding as of December 31, 2017
 
2,727

 
$
72.72

 
 
 
 
Granted
 
333

 
$
179.56

 
 
 
 
Exercised
 
(561
)
 
$
51.55

 
 
 
 
Forfeited
 
(50
)
 
$
95.19

 
 
 
 
Outstanding as of December 31, 2018
 
2,449

 
$
91.64

 
6.2
 
$
231,414

 
 
 
 
 
 
 
 
 
Fully vested as of December 31, 2018
 
1,239

 
$
67.69

 
4.7
 
$
146,555

 
 
 
 
 
 
 
 
 
Fully vested and expected to vest as of December 31, 2018
 
2,402

 
$
91.28

 
6.1
 
$
227,861
Schedule of Restricted Stock Unit Activity
A summary of the status of RSUs and PBRSUs granted under our share-based compensation plans at December 31, 2018, and changes during the period then ended, are presented in the table below:

 
Number of Units (000)
 
Weighted Average Grant-Date Fair Value

 
 

 
 

Nonvested as of December 31, 2017
 
383

 
$
85.74

Granted
 
79

 
$
179.22

Vested
 
(136
)
 
$
74.69

Forfeited
 
(20
)
 
$
100.02

Nonvested as of December 31, 2018
 
306

 
$
113.87

 
 
 
 
 
Expected to vest as of December 31, 2018
 
289

 
$
113.44