Goodwill and Identified Intangible Assets (Tables)

6 Months Ended

Jun. 26, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill for the six months ended June 26, 2020 were as follows (in thousands):



	Video		Cable Access			Total
Balance as of December 31, 2019	$	178,982	$	60,798		$	239,780
Foreign currency translation adjustment, net	67		(31		)	36
Balance as of June 26, 2020	$	179,049	$	60,767		$	239,816

Summary of Goodwill and Identified Intangible Assets

The following is a summary of intangible assets, net (in thousands):



		June 26, 2020							December 31, 2019
	Weighted Average Remaining Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed core technology	n/a	$	31,707	$	(31,707	)	$	—	$	31,707	$	(30,757	)	$	950
Customer relationships/contracts	0.7	44,588		(42,595		)	1,993		44,577		(41,092		)	3,485
Trademarks and trade names	n/a	611		(611		)	—		609		(583		)	26
Maintenance agreements and related relationships	n/a	5,500		(5,500		)	—		5,500		(5,500		)	—
Order backlog	n/a	3,089		(3,089		)	—		3,085		(3,085		)	—
Total identifiable intangibles, net		$	85,495	$	(83,502	)	$	1,993	$	85,478	$	(81,017	)	$	4,461

Amortization Expense for Identifiable Purchased Intangible Assets

Amortization expense for the identifiable purchased intangible assets for the three and six months ended June 26, 2020 and June 28, 2019 was allocated as follows (in thousands):



	Three months ended				Six months ended
	June 26, 2020		June 28, 2019		June 26, 2020		June 28, 2019
Included in cost of revenue	$	65	$	1,295	$	950	$	2,590
Included in operating expenses	742		784		1,512		1,572
Total amortization expense	$	807	$	2,079	$	2,462	$	4,162

Estimated Future Amortization Expense of Purchased Intangible Assets

The estimated future amortization expense of purchased intangible assets with definite lives is as follows (in thousands):



	Cost of Revenue		Operating Expenses		Total
Year ended December 31,
2020 (remaining six months)	$	—	$	1,495	$	1,495
2021	—		498		498
Total future amortization expense	$	—	$	1,993	$	1,993