Intangible Assets (Tables)

12 Months Ended

Dec. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The following tables summarize the details of our Intangible assets, net as of December 30, 2017 and December 31, 2016:

	December 30, 2017
(In thousands)	Weighted Average Amortization Period (in years)	Gross		Impairment			Accumulated Amortization			Intangible assets, net
Developed technology	4.7	$	158,700	$	(32,431	)	$	(81,847	)	$	44,422
Customer relationships	5.7	22,934		—			(16,696		)	6,238
Licensed technology	3.5	2,392		—			(1,744		)	648
Total identified intangible assets		$	184,026	$	(32,431	)	$	(100,287	)	$	51,308

	December 31, 2016
(In thousands)	Weighted Average Amortization Period (in years)	Gross		Impairment			Accumulated Amortization			Intangible assets, net
Developed technology	4.7	$	141,359	$	—		$	(55,493	)	$	85,866
Customer relationships	6.1	30,800		(7,866		)	(13,694		)	9,240
Licensed technology	3.3	2,127		—			(1,201		)	926
Patents	5	769		—			(279		)	490
Total identified finite-lived intangible assets		175,055		(7,866		)	(70,667		)	96,522
In-process research and development	indefinite	22,341		—			—			22,341
Total identified intangible assets		$	197,396	$	(7,866	)	$	(70,667	)	$	118,863

Finite-lived Intangible Assets Amortization Expense

We recorded amortization expense related to intangible assets on the Consolidated Statements of Operations as presented in the following table:

	Year Ended
(In thousands)	December 30, 2017		December 31, 2016		January 2, 2016
Research and development	$	569	$	745	$	731
Amortization of acquired intangible assets	31,340		33,575		29,580
	$	31,909	$	34,320	$	30,311

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The annual expected amortization expense of acquired intangible assets with finite lives is as follows:

(In thousands)	Amount
2018	$	19,419
2019	16,619
2020	7,504
2021	5,148
2022	2,352
Thereafter	266
Total	$	51,308