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SUPPLEMENTAL CASH FLOW INFORMATION
9 Months Ended
Sep. 30, 2017
Supplemental Cash Flow Elements [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION
14. SUPPLEMENTAL CASH FLOW INFORMATION
 
Supplemental cash flows and non-cash transactions were as follows for the periods indicated (in thousands):
 
Nine Months Ended
September 30,
 
2017
 
2016
Cash paid for interest (net of capitalized interest)
$
161,914

 
$
141,140

Cash paid for income taxes
1,359

 
670

Capitalized interest
3,445

 
3,142


  
Liabilities related to capital projects outstanding at September 30, 2017 and 2016 of $51.0 million and $45.2 million, respectively, are not included under “Capital expenditures” within the unaudited condensed consolidated statements of cash flows.