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Earnings (Loss) Per Share - Narrative (Details) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2020 | Sep. 29, 2019 | Sep. 27, 2020 | Sep. 29, 2019
Class A Common Stock |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Dividends per share (in dollars per share) | $ 0.00 | $ 0.075 | $ 0.075 | $ 0.225
Class B Common Stock |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Dividends per share (in dollars per share) | $ 0.00 | $ 0.075 | $ 0.075 | $ 0.225

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