Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2014

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



	Six months ended June 30,
	2014		2013
Supplemental non-cash investing and financing activities:
Value of common stock issued in acquisitions	$	1,900	$	52,711
Value of common stock issued in payment of accrued liability	600		—
Equipment acquired through capital leases	—		691
Exercise of stock options by common stock surrender	1,005		2,418
Supplemental cash payment information:
Interest paid	$	710	$	780
Income taxes paid	13,884		10,157