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EQUITY INCENTIVE PLAN (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 6 Months Ended 1 Months Ended
Mar. 13, 2014
Apr. 30, 2014
Apr. 30, 2013
Jan. 10, 2014
Time Based [Member]
Jan. 10, 2014
Performance Based [Member]
Jan. 10, 2014
Performance Shares TSR [Member]
Performance Based [Member]
Jan. 10, 2014
Performance Shares TSR [Member]
Performance Based [Member]
Minimum [Member]
Jan. 10, 2014
Performance Shares TSR [Member]
Performance Based [Member]
Maximum [Member]
Jan. 10, 2014
Performance Shares ROIC [Member]
Performance Based [Member]
Jan. 10, 2014
Performance Shares ROIC [Member]
Performance Based [Member]
Minimum [Member]
Jan. 10, 2014
Performance Shares ROIC [Member]
Performance Based [Member]
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Expiration period of options granted   10 years                  
Total number of shares of common stock that may be issued as awards under 2008 Plan   750,000                  
Vesting percentage       25.00% 75.00%            
Stock-based compensation expense   $ 511 $ 503                
Unrecognized Stock-based compensation expense   $ 1,500                  
Restricted stock granted 11,235 57,421   12,182   16,948     17,056    
Closing sales price of common stock $ 24.92                    
Vesting period 1 year     3 years   3 years     3 years    
Percentage of incentive compensation arrangement           40.00%     35.00%    
Percentage of target number of shares to be earned             50.00% 200.00%   50.00% 200.00%