Condensed Consolidated Statements of Comprehensive Income (Parenthetical) |
12 Months Ended | ||
|---|---|---|---|
Dec. 28, 2017 |
Dec. 29, 2016 |
Dec. 31, 2015 |
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| Statement of Comprehensive Income [Abstract] | |||
| Fiscal year period | 364 days | 364 days | 371 days |
| X | ||||||||||
- Definition The length of the fiscal year, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- References No definition available.
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