Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2015

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

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

	Six months ended June 30,
	2015		2014
Supplemental non-cash investing and financing activities:
Value of common stock issued in acquisitions	$	1,014	$	1,900
Value of common stock issued in payment of accrued liability	—		600
Exercise of stock options by common stock surrender	1,126		1,005
Supplemental cash payment information:
Interest paid	$	641	$	710
Income taxes paid	2,549		13,884