Goodwill

The carrying value of goodwill and the activity for the two year period ending December 31, 2015 are as follows (in thousands):



Balance, December 31, 2013	$	575,701
Currency translation adjustments	(21,411		)
Other	(955		)
Balance, December 31, 2014	553,335
Goodwill from acquisition	57,992
Currency translation adjustments	(15,011		)
Balance, December 31, 2015	$	596,316

During the year ended December 31, 2015, the Company recorded $58.0 million of goodwill in connection with the preliminary purchase price allocation associated with its acquisition of DVTEL, Inc. ("DVTEL"). See Note 18, "Business Acquisitions," for additional information. Other activity in the year ended December 31, 2014 is a reduction in goodwill associated with the Company's sale of certain tangible assets and intellectual property related to the design and manufacturing of non-thermal micro-optics out of the OEM & Emerging Markets segment.

The Company reviews its goodwill for impairment annually during the third quarter, or more frequently, if events or circumstances indicate that the carrying value of these assets exceeds their fair value. During the third quarter of 2015, the Company completed its annual review of goodwill and determined that no impairment of its recorded goodwill was necessary. As of December 31, 2015, there had been no triggering events or indicators of impairment that would require an updated impairment review.