Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill by Reportable Segment

Goodwill by reportable segment as of December 31, 2012 and 2011 is as follows (in thousands):

	Reportable Segment						Total
	Laser Products			Precision Motion and Technologies
Goodwill	$	67,926		$	108,306		$	176,232
Accumulated impairment of goodwill		(54,099	)		(77,555	)		(131,654	)
Total	$	13,827		$	30,751		$	44,578

Intangible Assets

Intangible assets as of December 31, 2012 and 2011, respectively, are summarized as follows (in thousands):

	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
	December 31, 2011
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Remaining Life (Years)
Amortizable intangible assets:
Patents and acquired technologies	$	61,279	$	(47,350	)	$	13,929		4.8
Customer relationships		33,115		(16,514	)		16,601		7.5
Trademarks, trade names and other		5,692		(3,452	)		2,240		7.2
Amortizable intangible assets		100,086		(67,316	)		32,770		6.3
Non-amortizable intangible assets:
Trade names		13,027		—			13,027
Total	$	113,113	$	(67,316	)	$	45,797

Amortization Expense of Intangible Assets

Amortization expense is as follows (in thousands):

	Year ended December 31,
	2012		2011		2010
Amortization – Cost of goods sold	$	3,165	$	3,851	$	3,862
Amortization – Operating expenses		2,650		3,515		4,436
Total	$	5,815	$	7,366	$	8,298

Estimated Amortization Expense

Estimated amortization expense for each of the five succeeding years and thereafter as of December 31, 2012, is as follows (in thousands):

Year Ending December 31,	Cost of Goods Sold		Operating Expenses		Total
2013	$	3,165	$	2,653	$	5,818
2014		3,165		2,567		5,732
2015		2,065		2,397		4,462
2016		1,184		2,397		3,581
2017		1,184		2,397		3,581
Thereafter		—		3,819		3,819
Total	$	10,763	$	16,230	$	26,993