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Goodwill and Identified Intangible Assets
6 Months Ended
Jul. 03, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Identified Intangible Assets
GOODWILL AND IDENTIFIED INTANGIBLE ASSETS
Goodwill
The following table presents goodwill by reportable segments (in thousands):
 
Video
 
Cable Edge
 
Total
As of December 31, 2014
$
136,975

 
$
60,909

 
$
197,884

Foreign currency translation adjustment
13

 
6

 
19

As of July 3, 2015
$
136,988

 
$
60,915

 
$
197,903


Identified Intangible Assets
The following is a summary of identifiable intangible assets (in thousands):
 
 
 
July 3, 2015
 
December 31, 2014
 
Range of Useful Lives
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
Identifiable intangibles:
 
 
 
 
 
 
 
 
 
 
 
 
 
Developed core technology
4-6 years
 
$
136,145

 
$
(135,973
)
 
$
172

 
$
136,145

 
$
(135,426
)
 
$
719

Customer relationships/contracts
5-6 years
 
67,098

 
(61,218
)
 
5,880

 
67,098

 
(58,784
)
 
8,314

Maintenance agreements and related relationships
6-7 years
 
7,100

 
(5,992
)
 
1,108

 
7,100

 
(5,534
)
 
1,566

Total identifiable intangibles
 
 
$
210,343

 
$
(203,183
)
 
$
7,160

 
$
210,343

 
$
(199,744
)
 
$
10,599


Amortization expense for the identifiable purchased intangible assets for the three and six months ended July 3, 2015 and June 27, 2014 was allocated as follows (in thousands):
 
Three months ended
 
Six months ended
 
July 3,
2015
 
June 27,
2014
 
July 3,
2015
 
June 27,
2014
Included in cost of revenue
$
86

 
$
4,482

 
$
547

 
$
9,198

Included in operating expenses
1,446

 
1,718

 
2,892

 
3,668

Total amortization expense
$
1,532

 
$
6,200

 
$
3,439

 
$
12,866


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,
 
 
 
 
 
2015 (remaining 6 months)
$
172

 
$
2,892

 
$
3,064

2016

 
4,096

 
4,096

Total future amortization expense
$
172

 
$
6,988

 
$
7,160