Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 01, 2017 |
Jul. 02, 2016 |
Jul. 01, 2017 |
Jul. 02, 2016 |
Dec. 31, 2016 |
|
| Income Tax Disclosure [Abstract] | |||||
| Effective tax rate | (2441.80%) | 8.50% | (1358.10%) | 5.00% | |
| Valuation allowance | $ 46,775 | ||||
| Reduction of valuation allowance | $ 27,248 | $ 27,248 | |||
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|