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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2018
Supplemental Cash Flow Information [Abstract]  
Schedule of supplemental cash flow information
The following table sets forth supplemental cash flow information:
 
For The Year Ended December 31,
 
2018
 
2017
 
2016
 
(Dollars In Thousands)
Cash paid / (received) during the year:
 

 
 
 
 
Interest on debt
$
260,241

 
$
253,708

 
$
234,928

Income taxes
(26,856
)
 
(14,163
)
 
112,886