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Discontinued Operations - Additional Information (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Apr. 18, 2020 | Apr. 17, 2020 | Sep. 28, 2020 | Sep. 30, 2019 | Sep. 28, 2020 | Sep. 30, 2019
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |  |
Depreciation expense related to the discontinued operations |  |  | $ 0 | $ 18,704,000 | $ 21,382,000 | $ 54,645,000
Net discrete tax expense (benefit) related to discontinued operations |  |  | (20,021,000) |  | $ 46,686,000 |
Definitive Equity Interests Purchase Agreement |  |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |  |
Proceeds from sale of subsidiaries of mobility business unit |  | $ 550,000,000 |  |  |  |
Estimated additional cash from sale of subsidiaries of mobility business unit |  | $ 95,000,000 |  |  |  |
Final purchase price from sale of subsidiaries of mobility business unit |  |  | 569,246,000 |  |  |
Additional cash from sale of subsidiaries of mobility business unit |  |  | $ 83,000,000 |  |  |
Transition Services Agreement |  |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |  |
Services provided period | 24 months |  |  |  |  |

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