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Goodwill and Identified Intangible Assets
 6 Months Ended
Jun. 26, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Identified Intangible Assets GOODWILL AND IDENTIFIED INTANGIBLE ASSETS
Goodwill
Goodwill represents the cost in excess of the fair value of the net assets acquired in a business combination. Goodwill is tested for impairment at the reporting unit level on an annual basis and on an interim basis if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. The Company determined that there was no impairment identified as of June 26, 2020.

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



Intangible Assets, Net
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 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


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