Goodwill (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure - Goodwill - Additional Information [Abstract]

Carrying value of goodwill by reporting segment and the activity

The following summarizes goodwill activity for the year ended December 31, 2013 (in thousands):

	Goodwill
Balance, December 31, 2012	$	564,306
Goodwill from acquisitions	4,864
Currency translation adjustments	6,531
Balance, December 31, 2013	$	575,701

In February 2014, the Company announced a realignment of its business which resulted in the formation of six reportable operating segments effective as of January 1, 2014. This reorganization required the Company to reassign its reported goodwill as of January 1, 2014 to its new reporting units based on the relative fair value of the respective business units at that time.

The carrying value of goodwill by reporting segment and the activity for the year ending December 31, 2014 is as follows (in thousands):

	Surveillance			Instruments			OEM & Emerging Markets			Maritime			Security			Detection			Total
Balance, January 1, 2014	$	108,693		$	163,995		$	92,166		$	114,419		$	48,199		$	48,229		$	575,701
Currency translation adjustments	(1,266		)	(8,468		)	(4,683		)	(4,439		)	(2,489		)	(66		)	(21,411		)
Other activity	—			—			(955		)	—			—			—			(955		)
Balance, December 31, 2014	$	107,427		$	155,527		$	86,528		$	109,980		$	45,710		$	48,163		$	553,335