Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2017

Supplemental Cash Flow Elements [Abstract]

Details of Supplemental Cash Flow Information

Supplemental cash flow information is as follows (in thousands):

	Six Months Ended
	June 30,
	2017		2016
Cash paid during the period for:
Income taxes, net	$	7,542	$	9,077
Interest, net	$	1,624	$	1,059
Non-cash transaction information:
Employee stock purchase plan	$	281	$	384
Equipment acquired under capital leases	$	465	$	863