Income Taxes - Additional Information (Detail) - USD ($) |
Sep. 30, 2017 |
Sep. 24, 2016 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| State tax net operating losses | $ 109,100,000 | |
| Foreign losses | 3,000,000 | |
| State income tax credits | 3,700,000 | |
| Valuation allowances | 6,527,000 | $ 6,583,000 |
| Accrued interest (less than) | 100,000 | 100,000 |
| Penalties were accrued related to uncertain tax positions | 0 | $ 0 |
| Unrecognized tax benefit may be recognized within twelve months as a result of a settlement | $ 300,000 |
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- Definition Deferred tax assets state tax credit carryforwards. No definition available.
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- Definition Foreign losses. No definition available.
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- Definition Total state tax operating losses. No definition available.
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- Definition Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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