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v3.19.3.a.u2

Restructuring, Asset Impairments and Other Charges, net - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Mar. 27, 2020 USD ($) employee | Sep. 27, 2019 employee | Dec. 31, 2019 USD ($) employee | Dec. 31, 2018 USD ($) employee | Dec. 31, 2017 USD ($) employee | Dec. 31, 2016 USD ($) employee | Mar. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Charges |  |  | $ 24.9 | $ 3.9 |  |  |
Payments for restructuring |  |  | 25.2 | 5.5 |  |  |
Accrued liabilities |  |  | $ 0.2 | $ 0.5 | $ 2.1 |  |
General workforce reduction | Employee Severance |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Expected number of positions to be eliminated | employee |  |  | 143 |  |  |  |
Charges |  |  | $ 8.4 |  |  |  |
General workforce reduction | Employee Severance | Subsequent Event |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Expected number of positions to be eliminated | employee | 100 |  |  |  |  |  |
Charges | $ 4.5 |  |  |  |  |  |
Post-Quantenna acquisition restructuring |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Charges |  |  | $ 15.7 |  |  |  |
Post-Quantenna acquisition restructuring | Employee Severance |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Number of positions eliminated | employee |  | 8 | 10 |  |  |  |
Post-Fairchild acquisition restructuring costs | Employee Severance |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Expected number of positions to be eliminated | employee |  |  |  | 5 |  | 225 |
Charges |  |  |  |  | $ 7.9 | $ 25.7 |
Number of positions eliminated | employee |  |  |  |  | 111 |  |
Total positions eliminated | employee |  |  |  |  | 336 |  |
Number of employees who have exited to date | employee |  |  |  |  | 331 |  |
Total charges expected to incur |  |  |  |  | $ 35.4 |  |
Payments for restructuring |  |  |  |  | 13.4 | $ 20.2 |
Accrued liabilities |  |  |  |  | 1.8 |  |
Post-Fairchild acquisition restructuring costs | Other Exit Costs |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Charges |  |  |  |  | 1.8 |  |
Manufacturing relocation | Employee Severance |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Accrued liabilities |  |  |  |  |  |  | $ 2.1
Former System Solutions Group segment voluntary workforce reduction | Workforce Reduction |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Total charges expected to incur |  |  |  |  | 2.2 |  |
Payments for restructuring |  |  |  |  | $ 2.0 |  |
Number of positions eliminated voluntarily (employee) | employee |  |  |  |  | 36 |  |

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