Income Taxes - Schedule of tax effects of temporary differences of the deferred tax assets and liabilities (Parenthetical) (Detail) - USD ($) $ in Thousands |
Oct. 03, 2020 |
Sep. 28, 2019 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Valuation allowance on deferred tax assets | $ 5,425 | $ 16,798 |
| 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/disclosureRef
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| X | ||||||||||
- References No definition available.
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