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Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($)
$ in Thousands
Jul. 31, 2015
Jan. 31, 2015
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative financial instruments (1) [1] $ 448  
Investment in cooperative (2) [2] 333 $ 333
Total assets 781  
Forward purchase contract liability (3) [3] 469  
Fair Value, Inputs, Level 1 [Member]    
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative financial instruments (1) [1] $ 448  
Investment in cooperative (2) [2]    
Total assets $ 448  
Forward purchase contract liability (3) [3]    
Fair Value, Inputs, Level 2 [Member]    
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative financial instruments (1) [1]    
Investment in cooperative (2) [2]    
Forward purchase contract liability (3) [3]    
Fair Value, Inputs, Level 3 [Member]    
Fair Value (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative financial instruments (1) [1]    
Investment in cooperative (2) [2] $ 333 $ 333
Total assets 333  
Forward purchase contract liability (3) [3] $ 469  
[1] The derivative financial instruments are included in "Prepaid expenses and other current assets" on the accompanying Consolidated Condensed Balance Sheets.
[2] The investment in cooperative is included in "Other assets" on the accompanying Consolidated Condensed Balance Sheets.
[3] The forward purchase contract liability is included in "Accrued expenses and other current liabilities" on the accompanying Consolidated Condensed Balance Sheets.