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Income Taxes - Effective Income Tax Rate Reconciliation (Details) | 12 Months Ended
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Dec. 29, 2019 | Dec. 30, 2018 | Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Tax provision at U.S. federal statutory rate | 21.00% | 21.00% | 35.00%
State income taxes | 2.20% | 2.90% | 5.00%
FICA tip tax credits | 46.00% | 49.90% | (32.40%)
Foreign taxes versus U.S statutory rate | 0.80% | 0.90% | 0.70%
Valuation allowance on deferred income tax assets | (9.10%) | (7.50%) | 4.50%
Deferred tax remeasurement due to the Tax Act | 0.00% | 0.00% | (9.70%)
Other tax credits | 6.10% | 7.10% | (6.50%)
Meals and entertainment | (0.70%) | (0.80%) | 0.90%
Excess stock options | (2.90%) | (0.60%) | (1.00%)
Employee travel | (0.10%) | (2.10%) | 0.00%
Other | 1.20% | (0.80%) | 0.00%
Effective tax rate | 64.50% | 70.00% | (3.50%)

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- Definition The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by FICA tip tax credits recorded during the period. + References No definition available. + Details
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