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Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details) |  | 12 Months Ended
--- | --- | ---
Apr. 13, 2016 segment | Dec. 29, 2018 segment item
Goodwill |  |
Number of reporting units | segment | 2 | 1
Number of trailing quarters used to determine the control premium | item |  | 4
Minimum |  |
Intangible Assets |  |
Estimated useful life (in years) |  | 5 years
Maximum |  |
Intangible Assets |  |
Estimated useful life (in years) |  | 10 years

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- References No definition available. + Details
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- Definition Number of trailing quarters used to determine the control premium utilizing data from publicly available premium studies. + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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. + References No definition available. + Details
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