Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow Supplemental Information

Certain supplemental cash flow information, including noncash investing and financing activities for the years ended December 31, 2016, 2015 and 2014 are as follows:

	Year ended December 31,
	2016			2015		2014
Supplemental disclosure of cash flow information
Interest paid	$	21,407		$	19,292	$	19,944
Income taxes paid, net of refunds	(10,587		)	4,909		36,783
Noncash investing and financing activity
Capital projects incurred but not yet paid	3,092			7,507		6,000
Purchase of a productive asset through seller-financing	—			1,010		6,634
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	4,493			4,338		4,059