XML 40 R29.htm IDEA: XBRL DOCUMENT v3.10.0.1
STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Costs Related to Stock Compensation Plans
The following table summarizes the components of stock-based compensation expense recognized in the Company’s condensed consolidated statements of income and comprehensive income for the periods indicated:
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2018
 
2017
 
2018
 
2017
Cost of revenues
$
7,054

 
$
4,189

 
$
15,343

 
$
9,539

Selling, general and administrative expenses
7,756

 
8,738

 
16,063

 
19,164

Total
$
14,810

 
$
12,927

 
$
31,406

 
$
28,703
Stock Options Activity
Stock option activity under the Company’s plans is set forth below:
 
Number of
Options 
 
Weighted Average
Exercise Price 
 
Aggregate
Intrinsic Value 
 
Weighted Average
Remaining Contractual Term (in years)
Options outstanding at January 1, 2018
4,901,748

 
$
40.91

 
 
 
 
Options granted
157,133

 
$
112.91

 
 
 
 
Options exercised
(566,799
)
 
$
39.34

 
 
 
 
Options forfeited/cancelled
(27,583
)
 
$
63.63

 
 
 
 
Options outstanding at June 30, 2018
4,464,499

 
$
43.50

 
$
360,830

 
5.8
 
 
 
 
 
 
 
 
Options vested and exercisable at June 30, 2018
3,530,693

 
$
35.46

 
$
313,776

 
5.3
Options expected to vest at June 30, 2018
879,470

 
$
73.49

 
$
44,709

 
7.7
Service-based Awards Activity
The table below summarizes activity related to the Company’s equity-classified and liability-classified service-based awards for the six months ended June 30, 2018.
 
Equity-Classified
 Restricted Stock
 
Equity-Classified
Equity-Settled
Restricted Stock Units
 
Liability-Classified
Cash-Settled
Restricted Stock Units
 
Number of
Shares 
 
Weighted Average Grant Date
Fair Value Per Share 
 
Number of
Shares 
 
Weighted Average Grant Date
Fair Value Per Share 
 
Number of
Shares 
 
Weighted Average Grant Date
Fair Value Per Share 
Unvested service-based awards outstanding at January 1, 2018
1,840

 
$
54.37

 
688,012

 
$
71.60

 
314,829

 
$
72.50

Awards granted
—

 
$
—

 
330,717

 
$
114.22

 
85,380

 
$
112.65

Awards modified
—

 
$
—

 
(2,299
)
 
$
72.80

 
2,299

 
$
116.63

Awards vested
—

 
$
—

 
(202,569
)
 
$
69.90

 
(91,052
)
 
$
72.42

Awards forfeited/cancelled
—

 
$
—

 
(27,460
)
 
$
77.90

 
(4,761
)
 
$
76.50

Unvested service-based awards outstanding at June 30, 2018
1,840

 
$
54.37

 
786,401

 
$
89.74

 
306,695

 
$
83.97
Performance-based Awards Activity
The table below summarizes activity related to the Company’s equity-classified performance-based awards for the six months ended June 30, 2018.
 
Equity-Classified
Equity-Settled
Restricted Stock Units
 
Number of
Shares 
 
Weighted Average Grant Date
Fair Value Per Share 
Unvested performance-based awards outstanding at January 1, 2018
—

 
$
—

Awards granted
45,375

 
$
121.75

Awards vested
—

 
$
—

Awards forfeited/cancelled
—

 
$
—

Unvested performance-based awards outstanding at June 30, 2018
45,375

 
$
121.75