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Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | $ 408,448 |
Finite-lived intangibles assets, Accumulated Amortization | 83,095 |
Finite-lived intangibles assets, Net | 325,353 |
Identifiable intangibles assets, Gross Carrying Amount | 455,048 | $ 80,098
Identifiable intangibles assets, Accumulated Amortization | 83,095 | 72,650
Identifiable intangibles assets, Net | 371,953 | 7,448
Developed technology [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | 326,726 | 66,177
Finite-lived intangibles assets, Accumulated Amortization | 67,861 | 59,692
Finite-lived intangibles assets, Net | 258,865 | 6,485
Customer relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | 69,261 | 9,560
Finite-lived intangibles assets, Accumulated Amortization | 11,078 | 9,082
Finite-lived intangibles assets, Net | 58,183 | 478
Trademarks and trade names [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Finite-lived intangibles assets, Gross Carrying Amount | 12,461 | 4,361
Finite-lived intangibles assets, Accumulated Amortization | 4,156 | 3,876
Finite-lived intangibles assets, Net | 8,305 | $ 485
In-process research and development [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Identifiable intangibles assets, Gross Carrying Amount | 46,600 |
Identifiable intangibles assets, Net | $ 46,600 |

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