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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Other Intangible Assets |
Summary of goodwill activity | The following summarizes the activity in goodwill for the years ended December 31, 2016 and January 2, 2016 (in thousands):
|  | Year Ended |
--- | --- | --- | ---
|  | December 31, 2016 |  | January 2, 2016 |
Beginning balance |  | $ | 272,722 |  | $ | 228,781 |
Additions due to business combinations |  |  | 3,408 |  |  | 43,941 |
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Ending balance |  | $ | 276,130 |  | $ | 272,722 |
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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 31, 2016 |  | January 2, 2016 |
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|  | Weighted-Average Amortization Period (Years) |
|  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization |
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Core and developed technology |  | 9 |  | $ | 157,321 |  | $ | (70,181 | ) | $ | 170,541 |  | $ | (70,135 | )
Customer relationships |  | 7 |  |  | 24,970 |  |  | (11,356 | ) |  | 23,170 |  |  | (7,259 | )
Patents |  | 6 |  |  | 3,000 |  |  | (2,250 | ) |  | 3,022 |  |  | (1,763 | )
Trademarks |  | 7 |  |  | 3,690 |  |  | (1,629 | ) |  | 3,490 |  |  | (952 | )
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|  | 9 |  |  | 188,981 |  |  | (85,416 | ) |  | 200,223 |  |  | (80,109 | )
Not subject to amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
In-process research and development |  | Not amortized |  |  | — |  |  | — |  |  | 1,240 |  |  | — |
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Total intangible assets |  |  |  | $ | 188,981 |  | $ | (85,416 | ) | $ | 201,463 |  | $ | (80,109 | )
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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 |  |  |
--- | --- | --- | ---
2017 |  | $ | 24,957 |
2018 |  |  | 22,890 |
2019 |  |  | 17,192 |
2020 |  |  | 14,697 |
2021 |  |  | 10,308 |

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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 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=35741047&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=35741047&loc=d3e13854-109267 + 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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