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Business and Summary of Significant Accounting Policies - Fiscal Year - Additional Information (Details) | 12 Months Ended
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Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Accounting Policies [Abstract] |  |  |
Fiscal Years | 364 days | 364 days | 364 days

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- Definition Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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