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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 29, 2016
Oct. 31, 2015
Oct. 29, 2016
Oct. 31, 2015
Jan. 30, 2016
Income Tax Disclosure [Abstract]          
Income tax expense $ 6,630 $ 5,969 $ 10,313 $ 10,255  
Estimated annual effective tax rate     38.60%   38.50%