Goodwill (Tables)

12 Months Ended

Jun. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The following table summarizes the changes in goodwill for the six months ended June 30, 2013, after reallocation:

	MCE			MDS		MIS		Total
Balance at January 1, 2013	$	135,691		$	33,768	$	8,970	$	178,429
Subsequent recognition of deferred tax assets from the Micronetics acquisition	(376		)	—		—		(376		)
Subsequent decrease of deferred tax liabilities from the Micronetics acquisition	(414		)	—		—		(414		)
Other goodwill adjustments from the Micronetics acquisition	(1,118		)	—		—		(1,118		)
Balance at June 30, 2013	$	133,783		$	33,768	$	8,970	$	176,521

The following table sets forth the changes in the carrying amount of goodwill prior to the internal reorganization for the six months ended December 31, 2012:

	ACS			MFS		Total
Balance at June 30, 2011	$	79,558		$	—	$	79,558
Goodwill arising from the KOR acquisition	33,913			19,150		53,063
Balance at June 30, 2012	113,471			19,150		132,621
Goodwill arising from the Micronetics acquisition	46,509			—		46,509
Goodwill adjustment for the KOR acquisition	(701		)	—		(701		)
Balance at December 31, 2012	$	159,279		$	19,150	$	178,429