Intangible Assets (Tables)

12 Months Ended

Dec. 28, 2019

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 28, 2019 and December 29, 2018:

	December 28, 2019
(In thousands)	Weighted Average Amortization Period (in years)	Gross		Accumulated Amortization			Intangible assets, net
Developed technology	5.0	$	110,987	$	(105,594	)	$	5,393
Customer relationships	5.8	22,934		(21,400		)	1,534
Licensed technology	5.0	459		(409		)	50
Total identified intangible assets		$	134,380	$	(127,403	)	$	6,977

	December 29, 2018
(In thousands)	Weighted Average Amortization Period (in years)	Gross		Accumulated Amortization			Intangible assets, net
Developed technology	5.0	$	110,987	$	(94,389	)	$	16,598
Customer relationships	5.8	22,934		(19,048		)	3,886
Licensed technology	5.0	1,194		(353		)	841
Total identified intangible assets		$	135,115	$	(113,790	)	$	21,325

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 28, 2019		December 29, 2018		December 30, 2017
Research and development	$	55	$	277	$	569
Amortization of acquired intangible assets	13,558		17,690		31,340
	$	13,613	$	17,967	$	31,909

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

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

(In thousands)	Amount
2020	$	4,500
2021	2,239
2022	238
Total	$	6,977