Annual report pursuant to Section 13 and 15(d)

Stock Option and Purchase Plans (Tables)

v2.4.1.9
Stock Option and Purchase Plans (Tables)
12 Months Ended
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Weighted Average Fair Value of Options Granted

In general, options granted to outside directors vest six months from the date of grant and options granted to officers and key employees straight line vest over a five-year period from the date of grant.

 

     2014      2013      2012  

Weighted Average Fair Value of the Options Granted

   $ 25.59       $ 19.35       $ 8.28   
Summary of Weighted-Average Assumptions

The weighted average fair value for these options was estimated at the date of grant using a Black-Scholes option pricing model with the following weighted-average assumptions:

 

     2014    2013    2012

Risk-free Interest Rate

   0.12% – 2.30%    0.88% – 2.22%    0.89% – 1.00%

Dividend Yield

   0.0%    0.0%    0.0%

Volatility Factor

   0.42 – 0.52    0.51 – 0.56    0.52 – 0.64

Expected Life in Years

   4.0 – 8.0    5.0 – 8.0    5.0 – 8.0
Compensation Expense Information Based on Fair Value of Stock Options

The following table provides compensation expense information based on the fair value of stock options for the years ended December 31, 2014, 2013 and 2012:

 

(In thousands)    2014      2013      2012  

Stock Compensation Expense

   $ 1,730       $ 1,384       $ 1,351   

Tax Benefit

     (122      (112      (136
  

 

 

    

 

 

    

 

 

 

Stock Compensation Expense, Net of Tax

$ 1,608    $ 1,272    $ 1,215   
  

 

 

    

 

 

    

 

 

 
Summary of Company's Stock Option Activity and Related Information

A summary of the Company’s stock option activity and related information for the years ended December 31 is as follows:

 

(Aggregate intrinsic value in
thousands)
   2014     2013     2012  
     Options     Weighted
Average
Exercise
Price
     Aggregate
Intrinsic
Value
    Options     Weighted
Average
Exercise
Price
     Aggregate
Intrinsic
Value
    Options     Weighted
Average
Exercise
Price
     Aggregate
Intrinsic
Value
 

Outstanding at January 1

     1,691,734      $ 8.70       $ 78,846        1,825,532      $ 6.86       $ 65,072        1,993,736      $ 5.59       $ 20,532   

Options Granted

     73,830      $ 48.45       $ 506        83,664      $ 35.56       $ 581        156,600      $ 15.07       $ 129   

Options Exercised

     (487,001   $ 4.80       $ (24,599     (217,462   $ 3.54       $ (8,472     (324,804   $ 3.06       $ (4,168

Options Forfeited

     (3,577   $ 15.13       $ (144     —        $ —         $ —          —        $ —         $ —     

Outstanding at December 31

     1,274,986      $ 12.48       $ 54,609        1,691,734      $ 8.70       $ 57,181        1,825,532      $ 6.86       $ 16,493   

Exercisable at December 31

     1,037,137      $ 8.71       $ 48,331        1,379,438      $ 6.51       $ 49,648        1,402,154      $ 5.60       $ 14,431   
Summary of Weighted Average Exercise Prices and Contractual Lives for Outstanding and Exercisable Stock Options

The following is a summary of weighted average exercise prices and contractual lives for outstanding and exercisable stock options as of December 31, 2014:

 

     Outstanding      Exercisable  

Exercise Price Range

   Shares      Weighted Average
Remaining Life
in Years
     Weighted Average
Exercise Price
     Shares      Weighted Average
Remaining Life
in Years
     Weighted
Average

Exercise Price
 

$  2.23 - $  2.88

     53,022         0.1       $ 2.87         53,022         0.1       $ 2.87   

$  4.03 - $  5.89

     566,855         3.9         4.41         566,855         3.9         4.41   

$  7.63 - $  8.39

     113,057         2.2         7.76         113,057         2.2         7.76   

$11.68 - $20.73

     406,602         6.6         15.40         279,879         6.2         15.52   

$34.50 - $54.47

     135,450         9.4         45.17         24,324         9.0         47.76   
  

 

 

          

 

 

       
  1,274,986      5.1      12.48      1,037,137      4.3      8.71   
  

 

 

          

 

 

       
Fair Value for Options Granted under Employee Stock Purchase Plan

The fair value for the options granted under the Employee Stock Purchase Plan was estimated at the date of grant using a Black-Scholes option pricing model with the following weighted-average assumptions:

 

     2014     2013     2012  

Risk-free Interest Rate

     0.10     0.10     0.17

Dividend Yield

     0.0     0.0     0.0

Volatility Factor

     .42        .37        .37   

Expected Life in Years

     1.0        1.0        1.0