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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 28, 2013
Goodwill and Other Intangible Assets |
Summary of goodwill activity | The following summarizes the activity in goodwill for the years ended December 28, 2013 and December 29, 2012 (in thousands):
|  | Year Ended |
--- | --- | --- | ---
|  | December 28, 2013 |  | December 29, 2012 |
Beginning balance |  | $ | 130,265 |  | $ | 115,489 |
Additions due to business combinations |  |  | 98,516 |  |  | 14,776 |
Ending balance |  | $ | 228,781 |  | $ | 130,265 |
Schedule of gross carrying amount and accumulated amortization of other intangible assets | The gross carrying amount and accumulated amortization of other intangible assets are as follows (in thousands):
|  |  |  | December 28, 2013 |  | December 29, 2012 |
--- | --- | --- | --- | --- | --- | --- | ---
|  | Weighted-Average Amortization Period (Years) |
|  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Core and developed technology |  | 9 |  | $ | 138,340 |  | $ | (41,782 | ) | $ | 95,420 |  | $ | (30,145 | )
Customer relationships |  | 9 |  |  | 14,500 |  |  | (2,330 | ) |  | 8,100 |  |  | (1,057 | )
Patents |  | 6 |  |  | 3,000 |  |  | (750 | ) |  | 3,000 |  |  | (250 | )
Trademarks |  | 10 |  |  | 2,210 |  |  | (195 | ) |  | 910 |  |  | (38 | )
|  | 9 |  |  | 158,050 |  |  | (45,057 | ) |  | 107,430 |  |  | (31,490 | )
Not subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
In-process research and development |  | Not amortized |  |  | 18,600 |  |  | — |  |  | 14,810 |  |  | — |
Total intangible assets |  |  |  | $ | 176,650 |  | $ | (45,057 | ) | $ | 122,240 |  | $ | (31,490 | )
Schedule of estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years | The estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years is as follows (in thousands):
Fiscal Year |  |  |
--- | --- | --- | ---
2014 |  | $ | 17,060 |
2015 |  |  | 16,669 |
2016 |  |  | 16,019 |
2017 |  |  | 15,052 |
2018 |  |  | 14,309 |

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- Definition Tabular disclosure of characteristics, including initial carrying value, residual amount, weighted-average useful life, of finite-lived intangible assets and indefinite-lived intangible assets by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References No definition available. + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: 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 2: 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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