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Significant Accounting Policies (Consolidated Financial Statements) (Details) | 12 Months Ended
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Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Fiscal period duration | 364 days | 364 days | 371 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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- References No definition available. + Details
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