Share Based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Share Based Compensation [Abstract]

Schedule of share based compensation expense

The following presents the impact of share based compensation expense on our condensed consolidated statements of income (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Marketing and selling	$	745	$	777	$	2,346	$	2,172
Research and development		390		414		1,215		1,187
General and administrative		531		615		1,739		1,769
Total share based compensation	$	1,666	$	1,806	$	5,300	$	5,128