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Supplemental Cash Flow Information (Notes)
 12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information

Certain supplemental cash flow information, including noncash investing and financing activities for the years ended December 31, 2015, 2014 and 2013 are as follows:
 
Year ended December 31,
 
2015
 
2014
 
2013
Supplemental disclosure of cash flow information
 
 
 
 
 
Interest paid
$
19,292

 
$
19,944

 
$
22,932

Income taxes paid, net of refunds
$
4,909

 
$
36,783

 
$
5,332

Noncash investing and financing activity
 
 
 
 
 
Capital projects incurred but not yet paid
$
7,507

 
$
6,000

 
$
3,870

Purchase of a productive asset through seller-financing
$
1,010

 
$
6,634

 
$
14,694

Outstanding payment for acquisition of business
$
—

 
$
—

 
$
128

Shares issued for acquisition of business
$
4,303

 
$
31,050

 
$
—

Outstanding shares to be issued for acquisition of business
$
—

 
$
4,470

 
$
—

Dividends declared not yet paid
$
4,338

 
$
4,059

 
$
3,107



See Footnote 17 for the fair value of assets acquired and liabilities assumed as part of business acquisitions.