Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.8.0.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2018
Stock-Based Compensation  
Schedule of stock-based compensation expense

 

 

 

 

 

 

 

 

 

Three Months Ended

 

 

March 31,

 

    

2018

    

2017

Stock-based compensation expense

 

$

8,495

 

$

7,458

Tax effect on stock-based compensation expense

 

 

(2,149)

 

 

(2,800)

Net effect on income

 

$

6,346

 

$

4,658

 

Schedule of weighted average assumptions used to value options granted

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

 

 

March 31,

 

 

    

2018

    

2017

    

Grant date fair value of options

 

$

 —

 

$

14.51

 

Volatility

 

 

 —

%  

 

43.8

%  

Risk-free interest rate

 

 

 —

%  

 

2.1

%  

Dividend yield

 

 

 —

%  

 

 —

%  

Expected term (in years)

 

 

 —

 

 

6.3

 

 

Summary of option activity under the Company's plans

d

 

 

 

 

 

 

 

 

 

 

 

    

 

    

 

 

    

Weighted-Average

    

 

 

 

 

 

 

Weighted-

 

Remaining

 

 

 

 

 

 

 

Average

 

Contractual Life

 

Aggregate

 

 

Options

 

Exercise Price

 

(Years)

 

Intrinsic Value

Outstanding as of December 31, 2017

 

2,254,565

 

$

19.23

 

4.3

 

$

69,939

  Exercised

 

(162,857)

 

 

14.76

 

 

 

 

 

  Forfeited

 

(1,668)

 

 

32.46

 

 

 

 

 

Outstanding as of March 31, 2018

 

2,090,040

 

 

19.57

 

4.1

 

 

78,859

Options exercisable

 

1,967,299

 

 

19.02

 

3.8

 

$

75,310

 

Summary of the activity for unvested restricted stock units and awards granted under the Company's plans

 

 

 

 

 

 

 

    

    

    

Weighted-

 

 

 

 

Average Grant

 

 

Number of

 

Date Fair Value

 

 

Shares

 

per Share

Outstanding as of December 31, 2017

 

1,766,639

 

$

32.48

  Granted

 

887,757

 

 

55.13

  Vested

 

(503,668)

 

 

34.05

  Forfeited

 

(27,265)

 

 

30.79

Outstanding as of March 31, 2018

 

2,123,463

 

$

41.59