Goodwill Goodwill (Tables)

6 Months Ended

Jun. 30, 2012

Disclosure - Goodwill - Additional Information [Abstract]

Carrying value of goodwill by reporting segment and the activity

The carrying value of goodwill by reporting segment and the activity for the six months ended June 30, 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	(1,204		)	617		(28		)	—		—		(615		)
Balance, June 30, 2012	$	249,983		$	98,981	$	90,473		$	38,162	$	20,129	$	497,728