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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
CAD in Thousands, $ in Thousands
12 Months Ended
Sep. 30, 2017
USD ($)
Sep. 30, 2016
CAD
Sep. 30, 2016
USD ($)
Restricted Cash and Investments [Abstract]      
Restricted cash $ 0 CAD 500 $ 381
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Abstract]      
Discount Rate 10.00%    
Retirement Plans      
Increase (decrease) pension expense $ 47    
Minimum      
Equity Method Investments      
Ownership interest in affiliated companies required to account for investments under equity method investments (more than) 3.00%    
Maximum      
Equity Method Investments      
Ownership interest in affiliated companies required to account for investments under equity method investments (more than) 5.00%    
Retirement Plans      
Decrease (increase) in the expected return on plan assets assumption 0.50%    
Kaupulehu Developments      
Principles of Consolidation      
Ownership interest in subsidiaries 77.60%    
KD Kona 2013 LLLP      
Principles of Consolidation      
Ownership interest in subsidiaries 75.00%    
Kaupulehu 2007, LLLP      
Principles of Consolidation      
Ownership interest in subsidiaries 80.00%