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Supplemental Cash Flow Information (Notes)
 12 Months Ended
Dec. 31, 2014
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, 2014, 2013 and 2012 are as follows:
 
Year ended December 31,
 
2014
 
2013
 
2012
Supplemental disclosure of cash flow information
 
 
 
 
 
Interest paid
$
19,944

 
$
22,932

 
$
21,668

Income taxes paid, net of refunds
$
36,783

 
$
5,332

 
$
36,269

Noncash investing and financing activity
 
 
 
 
 
Capital projects incurred but not yet paid
$
6,000

 
$
3,870

 
$
2,876

Purchase of a productive asset through seller-financing
$
6,634

 
$
14,694

 
$
10,498

Outstanding payment for acquisition of business
$
—

 
$
128

 
$
3,345

Shares issued for acquisition of business
$
31,050

 
$
—

 
$
—

Outstanding shares to be issued for acquisition of business
$
4,470

 
$
—

 
$
—

Dividends declared not yet paid
$
4,059

 
$
3,107

 
$
2,982



See Footnote 12 for the fair value of assets acquired and liabilities assumed as part of business acquisitions.