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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
3 Months Ended
Mar. 31, 2018
Supplemental Cash Flow Elements [Abstract]  
Schedule of Supplemental Cash Flow Information
The following table provides supplemental cash flow information:
 
Three Months Ended
March 31,
(dollars in thousands)
2018
 
2017
Cash paid for:
 
 
 
Interest
$
40,225

 
$
22,824

Income taxes
4,431

 
7,700

Non-cash investing activities:
 
 
 
Property and equipment accrued in accounts payable
$
317

 
$
126