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Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 25, 2021 | Dec. 26, 2020
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Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | $ 440,008 | $ 408,599
Finite-lived intangibles assets, Accumulated Amortization | 174,516 | 136,842
Finite-lived intangibles assets, Net | 265,492 | 271,757
Identifiable intangibles assets, Gross Carrying Amount | 467,408 | 455,199
Identifiable intangibles assets, Accumulated Amortization | 174,516 | 136,842
Identifiable intangibles assets, Net | 292,892 | 318,357
Developed technology [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | 350,946 | 326,877
Finite-lived intangibles assets, Accumulated Amortization | 143,648 | 110,851
Finite-lived intangibles assets, Net | 207,298 | 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 | 24,557 | 20,654
Finite-lived intangibles assets, Net | 50,144 | 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 | 6,311 | 5,337
Finite-lived intangibles assets, Net | 8,050 | 7,124
In-process research and development [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Identifiable intangibles assets, Gross Carrying Amount | 27,400 | 46,600
Identifiable intangibles assets, Net | $ 27,400 | $ 46,600

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