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Goodwill and Identified Intangible Assets | 9 Months Ended
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Sep. 27, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Identified Intangible Assets | GOODWILL AND IDENTIFIED INTANGIBLE ASSETS The changes in the carrying amount of goodwill for the nine months ended September 27, 2013 are as follows (in thousands):
Balance at beginning of period | $ | 212,518 |
Reduction in goodwill associated with the sale of the cable access HFC Business | (14,547 | )
Foreign currency translation adjustment | (15 | )
Balance at end of period | $ | 197,956 |
The following is a summary of identified intangible assets (in thousands):
| September 27, 2013 |  | December 31, 2012
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Identifiable intangibles: |  |  |  |  |  |  |  |  |  |  |
Developed core technology | $ | 136,145 |  |  | $ | (116,918 | ) |  | $ | 19,227 |  |  | $ | 136,145 |  |  | $ | (102,449 | ) |  | $ | 33,696 |
Customer relationships/contracts | 67,098 |  |  | (52,381 | ) |  | 14,717 |  |  | 67,098 |  |  | (48,150 | ) |  | 18,948 |
Trademarks and tradenames | 11,361 |  |  | (10,210 | ) |  | 1,151 |  |  | 11,361 |  |  | (9,145 | ) |  | 2,216 |
Maintenance agreements and related relationships | 7,100 |  |  | (4,317 | ) |  | 2,783 |  |  | 7,100 |  |  | (3,513 | ) |  | 3,587 |
Total identifiable intangibles | $ | 221,704 |  |  | $ | (183,826 | ) |  | $ | 37,878 |  |  | $ | 221,704 |  |  | $ | (163,257 | ) |  | $ | 58,447 |
Amortization expense for the identifiable purchased intangible assets for the three and nine months ended September 27, 2013 and September 28, 2012 was allocated as follows (in thousands):
| Three months ended |  | Nine months ended
| September 27, 2013 |  | September 28, 2012 |  | September 27, 2013 |  | September 28, 2012
Included in cost of revenue | $ | 4,763 |  |  | $ | 5,048 |  |  | $ | 14,470 |  |  | $ | 15,456 |
Included in operating expenses | 2,001 |  |  | 2,179 |  |  | 6,099 |  |  | 6,548 |
Total amortization expense | $ | 6,764 |  |  | $ | 7,227 |  |  | $ | 20,569 |  |  | $ | 22,004 |
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, |  |  |  |  |
2013 (remaining 3 months) | $ | 4,763 |  |  | $ | 1,997 |  |  | $ | 6,760 |
2014 | 13,745 |  |  | 6,775 |  |  | 20,520 |
2015 | 719 |  |  | 5,783 |  |  | 6,502 |
2016 | — |  |  | 4,096 |  |  | 4,096 |
2017 | — |  |  | — |  |  | — |
Total future amortization expense | $ | 19,227 |  |  | $ | 18,651 |  |  | $ | 37,878 |

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- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
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