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Supplemental Cash Flow Disclosures (Tables)
 12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Elements [Abstract]  
Cash Paid for Interest and Income Taxes

Cash paid for interest and income taxes during the years ended December 31, 2015, 2014 and 2013 were as follows (in thousands):

 

     2015      2014      2013  

Interest

    $ 7,986       $ 9,268       $ 10,783   
  

 

 

     

 

 

     

 

 

  

Income taxes (1)

    $ 23,558       $ 18,277       $ 67,941   
  

 

 

     

 

 

     

 

 

  

 

(1) Approximately $47.5 million related to the gain on sale of MMP is included in cash paid for income taxes for the year ended December 31, 2013.