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Basis of Presentation - Additional Information (Detail) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2015 | Sep. 27, 2015 | Jun. 28, 2015 | Mar. 29, 2015 | Dec. 31, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 31, 2015 | Dec. 31, 2014
Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |
Guideline used to determine the end date of first quarter |  |  |  | 91 days |  |  |  |  |  |
Reporting period | 95 days | 91 days | 91 days | 88 days | 94 days | 91 days | 91 days | 89 days | 365 days | 365 days

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- Definition Length Of Time Used To Determine Fiscal Period + References No definition available. + Details
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- References No definition available. + Details
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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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