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Income Taxes - Deferred Taxes and Operating Loss Carryforwards (Details) - USD ($) $ in Thousands | Dec. 29, 2018 | Dec. 30, 2017
--- | --- | ---
Deferred tax assets: |  |
Accrued compensation and related expense | $ 12,691 | $ 11,445
Allowance for doubtful accounts | 1,694 | 2,009
Net operating loss carryforwards | 402 | 479
Accrued expenses and other | 5,298 | 4,356
Total gross deferred tax assets | 20,085 | 18,289
Less: valuation allowance |  | (8)
Total deferred tax assets net of valuation allowance | 20,085 | 18,281
Deferred tax liabilities: |  |
Goodwill and other intangible asset amortization | 4,295 | 3,802
GNU capital gain upon distribution |  | 20
Property and equipment | 6,762 | 6,111
Total deferred tax liabilities | 11,057 | 9,933
Net deferred tax assets | 9,028 | $ 8,348
Foreign |  |
Deferred tax liabilities: |  |
Net operating loss carryforwards | $ 1,200 |

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