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Significant Accounting Policies (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 04, 2015 | Jan. 03, 2015
Basis of Presentation and Principles of Consolidation |  |
Length of fiscal year | 364 days | 371 days
Number of days in each fiscal quarter for 52-week fiscal year | 91 days |
Low end of range |  |
Basis of Presentation and Principles of Consolidation |  |
Length of fiscal year | 364 days |
High end of range |  |
Basis of Presentation and Principles of Consolidation |  |
Length of fiscal year | 371 days |

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