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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 9 Months Ended
Sep. 30, 2017
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]  
Supplemental Cash Flow Information
Cash paid during the nine months ended September 30, 2017 and 2016 for income taxes and interest is as follows:

  
Nine Months Ended
September 30,
 
  
2017
  
2016
 
Income taxes
 
$
21,024
  
$
25,644
 
Interest
 
$
5,331
  
$
5,107