Goodwill

As of June 30, 2011, the Company has determined that there is no impairment of its recorded goodwill and as of March 31, 2012, there have been no triggering events that would require an updated impairment review. The carrying value of goodwill by reporting segment and the activity for the three months ended March 31, 2012 are as follows (in thousands):



	Thermal Vision and Measurement		Raymarine		Surveillance		Detection		Integrated Systems		Total
Balance, December 31, 2011	$	251,187	$	98,364	$	90,501	$	38,162	$	20,129	$	498,343
Currency translation adjustments	2,250		2,129		229		—		—		4,608
Balance, March 31, 2012	$	253,437	$	100,493	$	90,730	$	38,162	$	20,129	$	502,951