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Goodwill and Purchased Intangible Assets (Tables) | 6 Months Ended
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Jun. 26, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Changes in the Carrying Amount of Goodwill | The changes in the carrying amount of goodwill are as follows:
Balance at December 26, 2020 |  |  | $ | 306,632 |
Goodwill acquired during the period (Note 2) |  |  |  | 7,259 |
Balance at June 26, 2021 |  |  | $ | 313,891 |
Schedule of Purchased Intangible Assets | Intangible Assets Purchased intangible assets as of June 26, 2021 and December 26, 2020 are as follows:
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
June 26, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangibles: |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  | $ | 331,747 |  |  | $ | 132,270 |  |  | $ | 199,477 |
Customer and distributor relationships |  |  | 74,701 |  |  |  | 23,267 |  |  |  | 51,434 |
Trademarks and trade names |  |  | 14,361 |  |  |  | 5,986 |  |  |  | 8,375 |
Total finite-lived intangible assets |  |  | 420,809 |  |  |  | 161,523 |  |  |  | 259,286 |
In-process research and development |  |  | 46,600 |  |  |  | — |  |  |  | 46,600 |
Total identifiable intangible assets |  | $ | 467,409 |  |  | $ | 161,523 |  |  | $ | 305,886 |
December 26, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangibles: |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  | $ | 326,877 |  |  | $ | 110,851 |  |  | $ | 216,026 |
Customer and distributor relationships |  |  | 69,261 |  |  |  | 20,654 |  |  |  | 48,607 |
Trademarks and trade names |  |  | 12,461 |  |  |  | 5,337 |  |  |  | 7,124 |
Total finite-lived intangible assets |  |  | 408,599 |  |  |  | 136,842 |  |  |  | 271,757 |
In-process research and development |  |  | 46,600 |  |  |  | — |  |  |  | 46,600 |
Total identifiable intangible assets |  | $ | 455,199 |  |  | $ | 136,842 |  |  | $ | 318,357 |
Schedule of Estimated Future Amortization Expenses | Assuming no change in the gross carrying value of identifiable intangible assets and estimated lives, future estimated amortization expenses are:
| Expected Amortization |
Fiscal Year: | Expense |
2021 (remainder) | $ | 24,548 |
2022 |  | 48,830 |
2023 |  | 48,355 |
2024 |  | 42,669 |
2025 |  | 26,119 |
2026 |  | 24,926 |
Thereafter |  | 43,839 |
Total | $ | 259,286 |

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