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Stockholders' Equity - Preferred Stock (Details) - $ / shares | Dec. 26, 2020 | Dec. 28, 2019
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Preferred stock authorized (in shares) | 10,000,000 | 10,000,000
Preferred stock par value (in USD per share) | $ 0.001 | $ 0.001
Preferred Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Preferred stock authorized (in shares) | 10,000,000 |
Preferred stock par value (in USD per share) | $ 0.001 |

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