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Income Taxes (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 31, 2021 | Aug. 01, 2020 | Jul. 31, 2021 | Aug. 01, 2020 | Aug. 03, 2019
Income Tax [Line Items] |  |  |  |  |
Income before income taxes | $ 85,097,000 | $ 32,642,000 | $ 147,807,000 | $ (39,411,000) |
Income tax expense (benefit) | $ 20,256,000 | $ 3,061,000 | $ 33,370,000 | $ (18,410,000) |
Effective tax rate | 23.80% | 9.40% | 22.60% | 46.70% |
Accrual for uncertain tax, interest or penalties | $ 0 | $ 0 | $ 0 | $ 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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