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Variable Interest Entities (VIEs) - Additional Information (Detail) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 07, 2007 shares | Jan. 02, 2007 company | Jul. 31, 2015 USD ($) | Feb. 28, 2009 | Dec. 31, 2016 USD ($) | Jan. 02, 2016 USD ($) | Jan. 03, 2015 USD ($) | Dec. 28, 2013 USD ($) | Dec. 29, 2012 | Dec. 31, 2011
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Number of Companies with Rights to Intellectual Property | company |  | 2 |  |  |  |  |  |  |  |
Patent and Licensing Fee - Aggregate |  |  | $ 2,400,000 |  |  |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Minimum aggregate royalty payments |  |  |  |  | $ 6,400,000.0 | $ 6,700,000.0 | $ 5,500,000.0 |  |  |
Percentage Reimbursed |  |  |  | 50.00% |  |  |  |  | 60.00% | 50.00%
Total expenses for additional services, material and supplies |  |  |  |  | 0 | 300,000 | 3,100,000 |  |  |
Payment for Administrative Fees |  |  |  |  | 200,000 | $ 200,000 | 200,000 | $ 200,000 |  |
Minimum | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Minimum aggregate royalty payments |  |  |  |  | 5,000,000.0 |  |  |  |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage Reimbursed |  |  |  |  |  | 60.00% |  |  |  |
Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross |  |  |  |  |  |  | 900,000 |  |  |
Development Partner [Member] [Member] |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  |  |  |  | $ 255,000 | $ 200,000 | 0 |  |  |
Two Thousand Seven Plan [Member] |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Common Stock Shares Added To Share Reserve | shares | 1,700,000.0 |  |  |  |  |  |  |  |  |
Engineering-related Payroll Expenses [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others, Compensation Earned |  |  |  |  |  |  | 1,600,000 |  |  |
Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross |  |  |  |  |  |  | $ 1,400,000 |  |  |

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- Definition The increase in the number of shares of common stock reserved for future issuance. + References No definition available. + Details
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