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Net Earnings per Common Unit
 3 Months Ended
Mar. 31, 2014
Net Earnings per Common Unit  
Net Earnings per Common Unit

4. Net Earnings per Common Unit

        Net earnings per common unit is based on the weighted-average number of common units outstanding during the period. The following table provides a calculation for net earnings per common unit for the three months ended March 31, 2014 and 2013:

 
   Three months ended
March 31,		  
 
   2014   2013  
 
   (in millions, except
per unit amounts)
  

Basic earnings per common unit:

              

Net earnings

   $ 102.9   $ 166.8  

Net earnings allocable to General Partner

     (41.5 )   (73.0 )

Net earnings allocable to Class B Common Units

     (1.0 )   (1.6 )
           
​ ​ ​ ​ ​ ​ ​ ​

Net earnings allocable to common units

   $ 60.4   $ 92.2  
           
​ ​ ​ ​ ​ ​ ​ ​

Weighted average units outstanding

     18.5     18.5  
           
​ ​ ​ ​ ​ ​ ​ ​

Net earnings per common unit

   $ 3.26   $ 4.98  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           

        There were no dilutive TNCLP units outstanding for the three months ended March 31, 2014 and 2013.