Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.2.0.727
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2015
Stock-Based Compensation  
Schedule of employee stock-based compensation expense

 

 

 

Three Months Ended

 

Six Months Ended

 

 

 

June 30,

 

June 30,

 

 

 

2015

 

2014

 

2015

 

2014

 

 

 

 

 

 

 

 

 

 

 

Employee stock-based compensation expense

 

$

3,330

 

$

3,199

 

$

6,749

 

$

5,767

 

Tax effect on employee stock-based compensation expense

 

(1,332

)

(1,280

)

(2,700

)

(2,307

)

Net effect on income

 

$

1,998

 

$

1,919

 

$

4,049

 

$

3,460

 

 

Schedule of weighted average assumptions used to value options granted

 

 

 

Three Months Ended

 

Six Months Ended

 

 

 

June 30,

 

June 30,

 

 

 

2015

 

2014

 

2015

 

2014

 

 

 

 

 

 

 

 

 

 

 

Grant date fair value of options

 

$

20.60 

 

$

 

$

20.90 

 

$

16.81 

 

Volatility

 

36.8 

%

 

37.2 

%

38.7 

%

Risk-free interest rate

 

1.8 

%

 

1.7 

%

1.8 

%

Dividend yield

 

0.0 

%

 

0.0 

%

0.0 

%

Expected term (in years)

 

6.0 

 

 

6.0 

 

6.0 

 

 

Summary of option activity under the Company's plans

 

 

 

Options

 

Weighted-
Average
Exercise Price

 

Weighted-
Average
Remaining
Contractual
Life (Years)

 

Aggregate
Intrinsic Value

 

 

 

 

 

 

 

 

 

 

 

Outstanding as of December 31, 2014

 

4,265,337

 

$

10.73

 

 

 

 

 

Granted

 

148,677

 

54.02

 

 

 

 

 

Exercised

 

(415,512

)

8.93

 

 

 

 

 

Forfeited

 

(9,941

)

24.94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding as of March 31, 2015

 

3,988,561

 

12.50

 

4.8

 

$

173,837

 

Granted

 

123,410

 

52.67

 

 

 

 

 

Exercised

 

(271,004

)

8.12

 

 

 

 

 

Forfeited

 

(28,403

)

46.07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding as of June 30, 2015

 

3,812,564

 

13.86

 

4.8

 

105,196

 

 

 

 

 

 

 

 

 

 

 

Options exercisable

 

3,469,757

 

11.03

 

4.4

 

103,576

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

Weighted-

 

 

 

 

 

Average Grant

 

 

 

Number of

 

Date Fair Value

 

 

 

Shares

 

per Share

 

 

 

 

 

 

 

Balance at December 31, 2014

 

1,098,674

 

$

33.72

 

Granted

 

207,531

 

53.89

 

Vested

 

(358,166

)

20.44

 

Forfeited

 

(6,628

)

33.53

 

 

 

 

 

 

 

Balance at March 31, 2015

 

941,411

 

38.61

 

Forfeited

 

(5,869

)

45.98

 

 

 

 

 

 

 

Balance at June 30, 2015

 

935,542

 

43.18