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v3.19.3.a.u2

Acquisitions, Divestitures and Licensing Transactions - 2019 Acquisition and Pending Acquisition (Details) - USD ($) $ in Millions |  |  | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 19, 2019 | Apr. 22, 2019 | Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related costs |  |  |  | $ 11.3 | $ 4.5 |
Discount rate |  |  | 12.00% | 12.00% |  |
Goodwill |  |  | $ 1,659.2 | $ 1,659.2 | $ 932.5 | $ 916.9
GFUS |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Purchase price consideration |  | $ 400.0 |  |  |  |
Non-refundable deposit |  | 70.0 |  |  |  |
Contingent consideration |  | 330.0 |  |  |  |
License fee |  | 30.0 |  |  |  |
Transaction expenses |  | 4.0 |  |  |  |
Legal Fees |  | $ 5.0 |  |  |  |
Quantenna |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percent of shares acquired | 100.00% |  |  |  |  |
Purchase price consideration | $ 1,039.3 |  |  |  |  |
Cash paid for acquisition |  |  |  | 1,026.6 |  |
Remaining amount to be paid | 12.7 |  |  |  |  |
Proceeds from lines of credit | $ 900.0 |  |  |  |  |
Business combination, revenue recognized |  |  | 84.8 |  |  |
Business combination, net loss |  |  | 39.3 |  |  |
Intangible assets acquired |  |  | 110.9 | 110.9 |  |
Developed technology |  |  | 58.3 | 58.3 |  |
Goodwill |  |  | $ 726.7 | $ 726.7 |  |
Developed technology | Quantenna |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Weighted average useful life (in years) |  |  |  | 8 years |  |
Intangible Assets, Amortization Period | Quantenna |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Weighted average useful life (in years) |  |  |  | 8 years |  |

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