Goodwill and Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 23, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Other Indefinite Lived Intangible Assets

Details of goodwill and other intangible assets were as follows (in thousands):

	September 23, 2016						December 25, 2015
			Intangible						Intangible
	Goodwill		Assets		Total		Goodwill		Assets		Total
Carrying amount	$	85,248	$	38,464	$	123,712	$	85,248	$	42,782	$	128,030

Details of Purchased Intangible Assets

Details of purchased intangible assets were as follows (in thousands):

	As of September 23, 2016							As of December 25, 2015
	Gross							Gross
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying		Useful
	Amount		Amortization			Value		Amount		Amortization			Value		Life
AIT
Customer relationships	$	19,000	$	(16,618	)	$	2,382	$	19,000	$	(15,298	)	$	3,702		7
Tradename		1,900		(1,900	)		—		1,900		(1,900	)		—		6
Intellectual property/know-how		1,600		(971	)		629		1,600		(800	)		800		7
Marchi
Customer relationships		9,900		(1,650	)		8,250		9,900		(907	)		8,993		10
Tradename		1,170		(387	)		783		1,170		(217	)		953		6
Intellectual property/know-how		12,300		(2,298	)		10,002		12,300		(1,264	)		11,036	8-12
Miconex
Customer relationships		8,800		(1,369	)		7,431		8,800		(489	)		8,311		7.5
UCT
Tradename		8,987		—			8,987		8,987		—			8,987	*
Total	$	63,657	$	(25,193	)	$	38,464	$	63,657	$	(20,875	)	$	42,782

* The Company concluded that the UCT tradename intangible asset life is indefinite and is therefore not amortized but is reviewed for impairment at least annually and whenever events or changes in circumstances indicate that the carrying value of an asset may not be recoverable.

Future Estimated Amortization Expense

As of September 23, 2016, future estimated amortization expense is expected to be as follows (in thousands):

	Amortization
	Expense
2016 (remaining in year)	$	1,439
2017		4,924
2018		4,582
2019		4,210
2020		3,682
Thereafter		10,640
Total	$	29,477