Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Summary of Changes in Goodwill

The following table summarizes changes in goodwill during the year ended December 31, 2013 (in thousands):

	December 31, 2013
Balance at beginning of year	$	44,578
Goodwill acquired from NDS acquisition		26,578
Balance at end of year	$	71,156

Goodwill by Reportable Segment

Goodwill by reportable segment as of December 31, 2013 is as follows (in thousands):

	Reportable Segment									Total
	Laser Products			Medical Technologies			Precision Motion
Goodwill	$	132,954		$	43,565		$	26,291		$	202,810
Accumulated impairment of goodwill		(102,461	)		(12,147	)		(17,046	)		(131,654	)
Total	$	30,493		$	31,418		$	9,245		$	71,156

Goodwill by reportable segment as of December 31, 2012 is as follows (in thousands):

	Reportable Segment									Total
	Laser Products			Medical Technologies			Precision Motion
Goodwill	$	132,954		$	16,987		$	26,291		$	176,232
Accumulated impairment of goodwill		(102,461	)		(12,147	)		(17,046	)		(131,654	)
Total	$	30,493		$	4,840		$	9,245		$	44,578

Intangible Assets

Intangible assets as of December 31, 2013 and 2012, respectively, are summarized as follows (in thousands):

	December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Remaining Life (Years)
Amortizable intangible assets:
Patents and acquired technologies	$	68,500	$	(56,327	)	$	12,173		5.3
Customer relationships		55,585		(24,340	)		31,245		13.9
Trademarks, trade names and other		13,378		(4,530	)		8,848		16.4
Customer backlog		1,269		(1,269	)		—		—
Amortizable intangible assets		138,732		(86,466	)		52,266		12.3
Non-amortizable intangible assets:
Trade names		13,027		—			13,027
Total	$	151,759	$	(86,466	)	$	65,293
	December 31, 2012
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Remaining Life (Years)
Amortizable intangible assets:
Patents and acquired technologies	$	61,667	$	(50,904	)	$	10,763		3.9
Customer relationships		33,245		(18,981	)		14,264		6.5
Trademarks, trade names and other		5,780		(3,814	)		1,966		6.2
Amortizable intangible assets		100,692		(73,699	)		26,993		5.4
Non-amortizable intangible assets:
Trade names		13,027		—			13,027
Total	$	113,719	$	(73,699	)	$	40,020

Amortization Expense of Intangible Assets

Amortization expense is as follows (in thousands):

	Year ended December 31,
	2013		2012		2011
Amortization – Cost of goods sold	$	5,280	$	3,165	$	3,851
Amortization – Operating expenses		7,270		2,650		3,515
Total	$	12,550	$	5,815	$	7,366

Estimated Amortization Expense

Estimated amortization expense for each of the five succeeding years and thereafter as of December 31, 2013 is as follows (in thousands):

Year Ending December 31,	Cost of Goods Sold		Operating Expenses		Total
2014	$	4,953	$	6,044	$	10,997
2015		3,310		5,448		8,758
2016		1,965		5,053		7,018
2017		1,573		4,723		6,296
2018		146		4,387		4,533
Thereafter		226		14,438		14,664
Total	$	12,173	$	40,093	$	52,266