Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2014

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, 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