Stockholders' Equity - Common Stock and Conversion Features (Details) |
12 Months Ended |
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Dec. 28, 2017
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| Conversion of Stock [Line Items] | |
| Number of classes of common stock | 3 |
| Class A Common Stock | |
| Conversion of Stock [Line Items] | |
| Votes per share held | 1 |
| Class B Common Stock | |
| Conversion of Stock [Line Items] | |
| Votes per share held | 0 |
| Class C Common Stock | |
| Conversion of Stock [Line Items] | |
| Votes per share held | 0 |
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- Definition The number of classes of common stock offered by the entity. No definition available.
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- Definition The number of votes to which a holder of common stock is entitled per share held. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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