GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Oct. 03, 2015

GOODWILL AND INTANGIBLE ASSETS

Schedule of changes in the carrying amount of goodwill

	Photonics			Lasers			Optics
(In thousands)	Group			Group			Group			Total
Balance at January 3, 2015:
Goodwill	98,808			129,761			41,314			269,883
Accumulated impairment losses	(47,458		)	(104,562		)	(20,339		)	(172,359		)
	51,350			25,199			20,975			97,524
Goodwill allocated to acquisition	—			6,681			—			6,681
Foreign currency impact	—			(351		)	—			(351		)
	51,350			31,529			20,975			103,854
Balance at October 3, 2015:
Goodwill	98,808			136,091			41,314			276,213
Accumulated impairment losses	(47,458		)	(104,562		)	(20,339		)	(172,359		)
	$	51,350		$	31,529		$	20,975		$	103,854

Schedule of intangible assets, excluding goodwill

As of October 3, 2015, acquisition related intangible assets were as follows:

	Amortization	Gross		Accumulated			Carrying
(In thousands)	Period	Value		Amortization			Value
Intangible assets subject to amortization:
Developed technology	10-20 years	$	39,888	$	(11,777	)	$	28,111
Customer relationships	up to 10 years	28,693		(20,839		)	7,854
In-process research and development	10 years	15,154		(2,075		)	13,079
Other	3 months-10 years	2,211		(1,332		)	879
		85,946		(36,023		)	49,923
Intangible assets not subject to amortization:
Trademarks and trade names		18,305		—			18,305
Intangible assets		$	104,251	$	(36,023	)	$	68,228

As of January 3, 2015, acquisition related intangible assets were as follows:

	Amortization	Gross		Accumulated			Carrying
(In thousands)	Period	Value		Amortization			Value
Intangible assets subject to amortization:
Developed technology	10-20 years	$	45,646	$	(16,782	)	$	28,864
Customer relationships	up to 10 years	47,827		(37,312		)	10,515
In-process research and development	10 years	13,461		(1,496		)	11,965
Other	3 months-10 years	7,461		(6,299		)	1,162
		114,395		(61,889		)	52,506
Intangible assets not subject to amortization:
Trademarks and trade names		18,305		—			18,305
Intangible assets		$	132,700	$	(61,889	)	$	70,811

Schedule of estimated aggregate amortization expense for future fiscal years

(In thousands)	Estimated Aggregate Amortization Expense
2015 (remaining)	$	2,168
2016	8,283
2017	7,131
2018	4,966
2019	4,376
Thereafter	20,015
	$	46,939