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Nature of Business and Basis of Presentation - Textual (Details) | 6 Months Ended
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Jun. 27, 2015 | Jun. 28, 2014
Nature of Business and Basis of Presentation (Textual) [Abstract] |  |
Fiscal year/fiscal quarter duration | 91 days | 91 days
Maximum period of delivery to customers | 6 months |
Maximum period services are provided over the fixed arrangement term | 12 months |
Minimum [Member] |  |
Nature of Business and Basis of Presentation (Textual) [Abstract] |  |
Fiscal year/fiscal quarter duration | 364 days |
Maximum [Member] |  |
Nature of Business and Basis of Presentation (Textual) [Abstract] |  |
Fiscal year/fiscal quarter duration | 371 days |

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