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Supplemental Cash Flow Information (Tables)
6 Months Ended
Jun. 30, 2017
Supplemental Cash Flow Information [Abstract]  
Schedule of Cash Flow Supplemental Information
Certain supplemental cash flow information, including noncash investing and financing activities for the six months ended June 30, 2017 and 2016 are as follows:
 
Six months ended June 30,
(in thousands)
2017
 
2016
Supplemental disclosure of cash flow information
 
 
 
Interest paid
$
12,430

 
$
9,567

Noncash investing and financing activity
 
 
 
Capital projects incurred but not yet paid
$
3,695

 
$
9,653

Investment merger (decreasing equity method investments and non-controlling interest)
8,360

 

Outstanding receivable for sale of assets
4,356

 

Dividends declared not yet paid
4,501

 
4,341