v2.4.1.9
Long-Term Compensation (Tables)
12 Months Ended
Dec. 31, 2014
Stock Options Granted Assumptions

The following table details the assumptions of each grant based on the year it was granted (dollars in thousands):

 

      2014      2013      2012 (1)  

Risk free interest rate

     0.67%         0.39%         0.17%   

Expected volatility

     38%         38%         23%   

Aggregate fair value

   $         23,100       $         23,900       $         36,100   

 

(1) These assumptions are based on the date the grant was modified in 2013.
RSU and PSA [Member]  
Stock Options, RSU and Performance Share Awards

The activity for the year ended December 31, 2014 with respect to our RSUs was as follows (awards in thousands):

 

      Number of
Unvested RSUs
     Weighted Average
Grant-Date Fair  Value
     Number of
Awards Vested
 

Balance at January 1, 2014

     2,266       $ 36.82         79   
        

 

 

 

Granted

     1,329         40.85      

Vested and distributed

     (1,019)         35.70      

Forfeited

     (55)         38.20      
  

 

 

    

 

 

    

Balance at December 31, 2014

     2,521       $ 39.38         106   

Restricted Operating Partnership Units [Member]  
Stock Options, RSU and Performance Share Awards

The activity for the year ended December 31, 2014 with respect to the LTIP Units issued under the PPP (as explained above) was as follows (units in thousands):

 

      Number of
Unvested LTIP Units
     Weighted Average
Grant-Date Fair  Value
 

Balance at January 1, 2014

           $   

Granted

     113         41.43   

Vested and distributed

               

Forfeited

               
  

 

 

    

 

 

 

Balance at December 31, 2014

     113       $ 41.43