Goodwill and Intangible Assets (Tables)

6 Months Ended

Jul. 03, 2015

The following table summarizes changes in goodwill during the six months ended July 3, 2015 (in thousands):

Balance at beginning of the period	$	90,746
Goodwill acquired from the Applimotion acquisition		7,612
Balance at end of the period	$	98,358

Goodwill by reportable segment as of July 3, 2015 was as follows (in thousands):

	Reportable Segment
	Laser Products			Vision Technologies			Precision Motion			Total
Goodwill	$	132,954		$	82,730		$	33,903		$	249,587
Accumulated impairment of goodwill		(102,461	)		(31,722	)		(17,046	)		(151,229	)
Total	$	30,493		$	51,008		$	16,857		$	98,358

Goodwill by reportable segment as of December 31, 2014 was as follows (in thousands):

	Reportable Segment
	Laser Products			Vision Technologies			Precision Motion			Total
Goodwill	$	132,954		$	82,730		$	26,291		$	241,975
Accumulated impairment of goodwill		(102,461	)		(31,722	)		(17,046	)		(151,229	)
Total	$	30,493		$	51,008		$	9,245		$	90,746

Intangible assets as of July 3, 2015 and December 31, 2014, respectively, are summarized as follows (in thousands):

	July 3, 2015							December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortizable intangible assets:
Patents and acquired technologies	$	80,908	$	(64,274	)	$	16,634	$	78,253	$	(62,010	)	$	16,243
Customer relationships		65,102		(34,275	)		30,827		63,029		(31,531	)		31,498
Customer backlog		2,447		(2,083	)		364		1,810		(1,641	)		169
Non-compete covenant		2,514		(613	)		1,901		1,830		(366	)		1,464
Trademarks and trade names		10,209		(5,684	)		4,525		10,205		(5,364	)		4,841
Amortizable intangible assets		161,180		(106,929	)		54,251		155,127		(100,912	)		54,215
Non-amortizable intangible assets:
Trade names		13,027		—			13,027		13,027		—			13,027
Totals	$	174,207	$	(106,929	)	$	67,278	$	168,154	$	(100,912	)	$	67,242

Amortization expense is as follows (in thousands):

	Three Months Ended				Six Months Ended
	July 3, 2015		June 27, 2014		July 3, 2015		June 27, 2014
Amortization expense – cost of revenue	$	1,174	$	1,614	$	2,293	$	2,915
Amortization expense – operating expenses		1,852		2,876		3,741		4,620
Total amortization expense	$	3,026	$	4,490	$	6,034	$	7,535

Estimated amortization expense for each of the five succeeding years and thereafter as of July 3, 2015 was as follows (in thousands):