Segment Reporting and Geographic Information - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 30, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Segment Reporting [Abstract] | |||
| Gain (Loss) on Disposition of Assets | $ 638 | $ (1,047) | $ 0 |
| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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