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STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION - STOCK BONUS PROGRAM (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
9 Months Ended 3 Months Ended 12 Months Ended
Oct. 31, 2014
Jul. 31, 2014
Stock Bonus Program
Jan. 31, 2015
Stock Bonus Program
Jan. 31, 2014
Stock Bonus Program
Oct. 31, 2014
Stock Bonus Program
Stock-Based Compensation Plans          
Stock Bonus Program, Number of Shares Authorized     125,000 150,000  
Discount from market price (as a percent)     15.00% 15.00%  
Stock Issued During Period - Stock Bonus Program   91,000      
Vesting period for executive officers 1 year        
Total accrued liability       $ 4,900 $ 3,400