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LONG-TERM INCENTIVE PLAN (Tables)
 3 Months Ended
Mar. 31, 2014
LONG-TERM INCENTIVE PLAN  
Schedule of restricted phantom unit activity

 

 

 
   Available for
future grant		   Restricted
phantom
units		   NYSE
closing
price		  

Units outstanding at December 31, 2013

     1,871,966     14,500        

Automatic increase in units available for future grant on January 1, 2014

     322,491     —        

Grant on March 31, 2014

     (6,000 )   6,000   $ 43.08  

Vesting on March 31, 2014

     —     (5,500 ) $ 43.08  
                 
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Units outstanding at March 31, 2014

     2,188,457     15,000        
                 
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​