XML 54 R39.htm IDEA: XBRL DOCUMENT v3.3.1.900
NET SALES AND REVENUE (Tables)
 12 Months Ended
Jan. 31, 2016
Net Sales And Revenue [Abstract]  
Revenue from External Customers by Products and Services [Table Text Block] The following table summarizes sales for each product and service group for the periods presented (amounts in thousands):

    Fiscal Year  
Product or Service Category   2015     2014     2013  
Ethanol   $ 333,200     $ 452,831     $ 500,203  
Dried distillers grains     81,116       96,328       125,575  
Non-food grade corn oil     15,510       16,985       18,788  
Modified distillers grains     5,999       4,814       18,998  
Other     663       1,272       2,481  
Total   $ 436,488     $ 572,230     $ 666,045