Supplemental Cash Flow Disclosures (Tables)

12 Months Ended

Dec. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Cash Paid for Interest and Income Taxes

Cash paid for interest and income taxes during the years ended December 31, 2017, 2016 and 2015 were as follows (in thousands):

	2017		2016		2015
Interest	$	6,117	$	6,019	$	7,986
Income taxes	$	25,085	$	19,314	$	23,558