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Income Taxes (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 02, 2019 | Nov. 03, 2018 | Nov. 02, 2019 | Nov. 03, 2018
Income Tax [Line Items] |  |  |  |
Income before income taxes | $ 13,438,000 | $ 16,606,000 | $ 77,135,000 | $ 73,796,000
Income tax expense | $ 3,249,000 | $ 3,090,000 | $ 12,453,000 | $ 13,413,000
Effective tax rate | 24.20% | 18.60% | 16.10% | 18.20%
Accrual for uncertain tax, interest or penalties | $ 0 |  | $ 0 |
Minimum |  |  |  |
Income Tax [Line Items] |  |  |  |
State income taxes, statute of limitations period (years) |  |  | 3 years |
Maximum |  |  |  |
Income Tax [Line Items] |  |  |  |
State income taxes, statute of limitations period (years) |  |  | 4 years |

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