Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2016

Supplemental cash flow information is as follows for the year ended December 31 (in thousands):



	2016		2015		2014
Cash paid during the period for:
Income taxes, net	$	21,324	$	25,395	$	52,565
Interest, net	$	2,101	$	1,609	$	1,048
Non-Cash Transaction Information:
Shares tendered in payment of exercise price of stock options	$	63	$	—	$	84
Employee stock purchase plan	$	669	$	578	$	699
Equipment acquired under capital leases	$	1,153	$	1,470	$	313
Unsettled repurchases of common stock	$	935	$	1,012	$	1,425
Acquisition of fixed assets through accounts payable	$	12	$	41	$	19
Contingent consideration for acquisition	$	—	$	—	$	477