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Intangible Assets - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2019 USD ($) Reporting_Unit | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Finite And Indefinite Intangible Assets [Line Items] |  |  |
Amortization of intangibles | $ 74,609,000 | $ 75,140,000 | $ 90,188,000
Number of reporting units used in quantitative assessment | Reporting_Unit | 10 |  |
Goodwill impairment charges | $ 0 | 0 | 0
Amortization expense in income from continuing operations | 74,600,000 | 75,100,000 | 90,200,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Estimated amortization expense in 2020 | 65,300,000 |  |
Estimated amortization expense in 2021 | 33,200,000 |  |
Estimated amortization expense in 2022 | 30,300,000 |  |
Estimated amortization expense in 2023 | 28,700,000 |  |
Estimated amortization expense in 2024 | 26,600,000 |  |
Trademark, net carrying amount | 298,599,000 | 318,861,000 |
Indefinite lived intangible asset impairment | $ 0 | 0 | 0
Customer relationships |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Weighted-average amortization period | 18 years 3 months 18 days |  |
Trademark, net carrying amount | $ 186,863,000 | 164,241,000 |
Trademarks |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Weighted-average amortization period | 8 years 6 months |  |
Trademark, net carrying amount | $ 26,180,000 | 30,454,000 |
Indefinite lived intangible asset impairment | $ 0 | 0 | 0
Developed technology |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Weighted-average amortization period | 6 years 9 months 18 days |  |
Trademark, net carrying amount | $ 81,614,000 | 118,794,000 |
In-process research and development |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Weighted-average amortization period | 5 years |  |
Trademark, net carrying amount | $ 3,542,000 | 5,372,000 |
Grass Valley |  |  |
Finite And Indefinite Intangible Assets [Line Items] |  |  |
Impairment of the disposal group | 521,400,000 |  |
Discontinued Operations, Held-for-sale |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Impairment of the disposal group | 179,300,000 |  |
Translation exchange rates | 180,400,000 |  |
Discontinued Operations, Held-for-sale | Customer relationships |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Impairment of intangible assets | 14,400,000 |  |
Discontinued Operations, Held-for-sale | Trademarks |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Impairment of intangible assets | 1,600,000 |  |
Discontinued Operations, Held-for-sale | Grass Valley |  |  |
Finite And Indefinite Intangible Assets [Line Items] |  |  |
Impairment of the disposal group | 521,441,000 | $ 0 | $ 0
Goodwill impairment charges | 326,100,000 |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Impairment of the disposal group | 179,300,000 |  |
Translation exchange rates | 180,400,000 |  |
Discontinued Operations, Held-for-sale | Grass Valley | Customer relationships |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Impairment of intangible assets | 14,400,000 |  |
Discontinued Operations, Held-for-sale | Grass Valley | Trademarks |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Impairment of intangible assets | $ 1,600,000 |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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