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FAIR VALUE (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($)
$ in Thousands
Jan. 31, 2016
Jan. 31, 2015
FAIR VALUE (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Investment in cooperative [1] $ 333 $ 333
Forward purchase contracts liability (2) [2] $ 312  
Commodity futures (3) [3]  
Total liabilities $ 312
Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Investment in cooperative [1]
Forward purchase contracts liability (2) [2]  
Commodity futures (3) [3]  
Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Investment in cooperative [1]
Forward purchase contracts liability (2) [2] $ 312  
Commodity futures (3) [3]  
Total liabilities $ 312  
Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Investment in cooperative [1] $ 333 $ 333
Forward purchase contracts liability (2) [2]  
Commodity futures (3) [3]  
[1] The investment in cooperative is included in "Other assets" on the accompanying Consolidated Balance Sheets.
[2] The forward purchase contract liability is included in "Accrued expenses and other current liabilities" on the accompanying Consolidated Balance Sheets.
[3] The commodity futures are included in "Accrued expenses and other current liabilities" on the accompanying Consolidated Balance Sheets.