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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Income Taxes        
Income tax expense $ 6,195 $ 12,009 $ 9,147 $ 11,160
Effective tax rate 25.90% 27.00% 24.50% 26.30%
Federal statutory rate     21.00%