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Discontinued Operations (Details) - Grass Valley - Discontinued Operations, Held-for-sale [Member] - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 29, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Asset Impairment Charges | $ 23,197,000 | $ 0 |
Capital Expenditure, Discontinued Operations | 7.9 | 5.8 |
Share-based Compensation, Discontinued Operations | 0.9 | $ 0.3 |
Accumulated Other Comprehensive Income (Loss), net of tax, Discontinued Operations | $ 30.3 |  | $ 42.3

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