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Earnings Per Share - (Tables)
3 Months Ended
May 03, 2014
Earnings Per Share Disclosure [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
    Three Months Ended 
    May 3, 2014  May 4, 2013 
   (Dollars in thousands) 
Numerator       
 Net earnings $ 30,006 $ 30,839 
 Earnings allocated to non-vested equity awards  (509)  (468) 
 Net earnings available to common stockholders $ 29,497 $ 30,371 
         
Denominator       
 Basic weighted average common shares outstanding  28,335,395  28,832,579 
 Dilutive effect of stock options  713  2,881 
 Diluted weighted average common shares outstanding  28,336,108  28,835,460 
         
Net income per common share       
 Basic earnings per share $ 1.04 $ 1.05 
 Diluted earnings per share $ 1.04 $ 1.05