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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 29, 2018
Goodwill and Other Intangible Assets |
Summary of goodwill activity | The following summarizes the activity in goodwill for the years ended December 29, 2018 and December 30, 2017 (in thousands):
|  | Year Ended |
--- | --- | --- | ---
|  | December 29, 2018 |  | December 30, 2017 |
Beginning balance |  | $ | 288,227 |  | $ | 276,130 |
Additions due to business combinations |  |  | 109,117 |  |  | 12,097 |
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Ending balance |  | $ | 397,344 |  | $ | 288,227 |
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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 29, 2018 |  | December 30, 2017 |
--- | --- | --- | --- | --- | --- | --- | ---
|  | Weighted-Average Amortization Period (Years) |
|  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization |
Core and developed technology |  | 8 |  | $ | 237,265 |  | $ | (102,116 | ) | $ | 161,700 |  | $ | (89,442 | )
Customer relationships |  | 5 |  |  | 46,890 |  |  | (21,075 | ) |  | 25,470 |  |  | (16,180 | )
Patents |  | — |  |  | — |  |  | — |  |  | 3,000 |  |  | (2,750 | )
Trademarks |  | 7 |  |  | 12,310 |  |  | (2,442 | ) |  | 3,690 |  |  | (2,344 | )
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Total |  | 8 |  | $ | 296,465 |  | $ | (125,633 | ) | $ | 193,860 |  | $ | (110,716 | )
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Schedule of estimated aggregate amortization expense for intangible assets subject to amortization | 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 |  |  |
--- | --- | --- | ---
2019 |  | $ | 39,222 |
2020 |  |  | 36,727 |
2021 |  |  | 32,337 |
2022 |  |  | 24,206 |
2023 |  |  | 18,286 |

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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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- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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