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Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 26, 2021 | Dec. 26, 2020
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Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | $ 420,809 | $ 408,599
Finite-lived intangibles assets, Accumulated Amortization | 161,523 | 136,842
Finite-lived intangibles assets, Net | 259,286 | 271,757
Identifiable intangibles assets, Gross Carrying Amount | 467,409 | 455,199
Identifiable intangibles assets, Accumulated Amortization | 161,523 | 136,842
Identifiable intangibles assets, Net | 305,886 | 318,357
Developed technology [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | 331,747 | 326,877
Finite-lived intangibles assets, Accumulated Amortization | 132,270 | 110,851
Finite-lived intangibles assets, Net | 199,477 | 216,026
Customer and distributor relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | 74,701 | 69,261
Finite-lived intangibles assets, Accumulated Amortization | 23,267 | 20,654
Finite-lived intangibles assets, Net | 51,434 | 48,607
Trademarks and trade names [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | 14,361 | 12,461
Finite-lived intangibles assets, Accumulated Amortization | 5,986 | 5,337
Finite-lived intangibles assets, Net | 8,375 | 7,124
In-process research and development [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Identifiable intangibles assets, Gross Carrying Amount | 46,600 | 46,600
Identifiable intangibles assets, Net | $ 46,600 | $ 46,600

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