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Income Per Share from Continuing Operations Attributable to REX Common Shareholders (Tables)
9 Months Ended
Oct. 31, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] The following table reconciles the computation of basic and diluted net income per share from continuing operations for the periods presented (in thousands, except per share amounts):

    Three Months Ended     Three Months Ended  
    October 31, 2015     October 31, 2014  
    Income     Shares     Per
Share
    Income     Shares     Per
Share
 
Basic income per share from continuing operations attributable to REX common shareholders   $ 7,456       6,915     $ 1.08     $ 23,200       8,170     $ 2.84  
                                                 
Effect of restricted stock           16                              
                                                 
Diluted income per share from continuing operations attributable to REX common shareholders   $ 7,456       6,931     $ 1.08     $ 23,200       8,170     $ 2.84  
    Nine Months Ended     Nine Months Ended  
    October 31, 2015     October 31, 2014  
    Income     Shares     Per
Share
    Income     Shares     Per
Share
 
Basic income per share from continuing operations attributable to REX common shareholders   $ 27,750       7,460     $ 3.72     $ 66,855       8,157     $ 8.19  
                                                 
Effect of restricted stock           9                     11          
                                                 
Diluted income per share from continuing operations attributable to REX common shareholders   $ 27,750       7,469     $ 3.72     $ 66,855       8,168     $ 8.18