Income Taxes - Valuation and Unrecognized (Details) - USD ($) $ in Thousands |
Dec. 28, 2017 |
Dec. 29, 2016 |
Dec. 31, 2015 |
|---|---|---|---|
| Income Taxes | |||
| Valuation allowance | $ 0 | $ 0 | |
| Unrecognized tax benefits | 0 | 0 | $ 0 |
| Unrecognized tax benefits that would impact the effective tax rate | $ 0 | $ 0 | $ 0 |
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- 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
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- References No definition available.
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. 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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