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SHARE-BASED COMPENSATION AND BENEFIT PLANS (Tables)
12 Months Ended
Dec. 31, 2014
Summary of Stock Option Activity

The following is a summary of stock option activity under the 2014 Plan and the 2001 Plan as of and for the year ended December 31, 2014:

 

     Options      Weighted-
Average
Exercise
Price
     Weighted-
Average
Remaining
Contractual
Term

(in years)
     Aggregate
Intrinsic
Value
 

Options outstanding at December 31, 2013

     267,700       $ 65.30         

Granted

     50,000         97.34         

Exercised

     (64,000      58.53         

Forfeited

     (11,250      68.49         

Expired

     (1,000      60.40         
  

 

 

    

 

 

       

Options outstanding at December 31, 2014

  241,450    $ 73.62      2.47    $ 8,060   
  

 

 

    

 

 

    

 

 

    

 

 

 

Options exercisable at December 31, 2014

  82,533    $ 62.69      1.46    $ 3,657   
  

 

 

    

 

 

    

 

 

    

 

 

 
Summary of Non-Vested (Restricted) Stock Activity

The following is a summary of non-vested (restricted) stock activity as of and for the year ended December 31, 2014:

 

     Shares      Weighted-
Average
Grant Date
Fair Value
 

Non-vested (restricted) stock outstanding at December 31, 2013

     2,487,292       $ 40.70   

Granted

     218,725         96.84   

Vested

     (57,300      45.71   

Forfeited

     (5,000      56.69   
  

 

 

    

 

 

 

Non-vested (restricted) stock outstanding at December 31, 2014

  2,643,717    $ 45.21   
  

 

 

    

 

 

 
Valuation Assumptions Used for Stock Option Awards

The following table presents the weighted-average assumptions used for stock options granted:

 

Years Ended December 31,

   2014     2013     2012  

Expected term in years

     4.25        4.25        4.25   

Risk-free interest rate

     1.35     0.82     0.57

Expected volatility

     22.07     24.56     31.40

Expected dividend yield

     1.69     2.20     3.49

Grant date fair value

   $ 15.75      $ 13.33      $ 12.90   
Share-Based Compensation Expense

The following table provides information on share-based compensation expense:

 

Years Ended December 31,

   2014      2013      2012  

Stock options

   $ 801       $ 884       $ 846   

Non-vested (restricted) stock

     10,672         9,083         7,093   
  

 

 

    

 

 

    

 

 

 

Share-based compensation expense

$ 11,473    $ 9,967    $ 7,939