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STOCK BASED COMPENSATION PLANS (Stock Option Activity Under The Plan) (Detail) - USD ($)
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Number of Shares    
Outstanding at beginning of year 213,260  
Granted 0  
Exercised 26,210 20,972
Forfeited or expired 0  
Outstanding at end of year 187,050 213,260
Exercisable at end of year 187,050  
Weighted Average Exercise Price    
Outstanding at beginning of year $ 13.25  
Granted 0  
Exercised 13.25  
Forfeited or expired 0  
Outstanding at end of year 13.25 $ 13.25
Exercisable at end of year $ 13.25  
Weighted Average Remaining Contractual Term    
Outstanding of year 3 years 7 months 6 days 4 years 7 months 6 days
Exercisable at end of year 3 years 7 months 6 days  
Aggregate Intrinsic Value    
Outstanding at beginning of year $ 4,425,000  
Exercised 580,000  
Outstanding at end of year 4,285,000 $ 4,425,000
Exercisable at end of year $ 4,285,000