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DERIVATIVE FINANCIAL INSTRUMENTS (Tables)
 12 Months Ended
Jan. 31, 2016
Disclosure Text Block Supplement [Abstract]  
Schedule of Derivative Assets at Fair Value [Table Text Block] The following table provides information about the fair values of the Company’s derivative financial instruments and the line items on the Consolidated Balance Sheets in which the fair values are reflected (in thousands):

    Asset Derivatives     Liability Derivatives  
    Fair Value at
January 31,		     Fair Value at
January 31,		  
    2016     2015     2016     2015  
                                 
Commodity futures   $ —     $ —     $ —     $ —  
Forward purchase contracts (1)   $ —     $ —     $ 312     $ —  
Total                                

(1) Forward purchase contracts are included in accrued expenses and other current liabilities. These contracts are for purchases of approximately 0.7 million bushels of corn.
Derivative Instruments, Gain (Loss) [Table Text Block] The following table provides information about gains or losses recognized in income on the Company’s derivative financial instruments and the line items on the Consolidated Statements of Operations in which the fair values are reflected for fiscal years 2015, 2014 and 2013 (in thousands):

    2015   2014     2013  
                         
Cost of sales   $ (382 )   $ —     $ —