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Stock Based Compensation Plans (Nonvested Restricted Shares) (Detail) (USD $)
9 Months Ended
Jun. 30, 2013
Shares  
Nonvested at beginning of year 58,850
Granted 0
Vested (19,620)
Forfeited 0
Nonvested at end of year 39,230
Weighted Average Grant Date Fair Value  
Nonvested, Beginning Balance $ 13.25
Granted $ 0
Vested $ 13.25
Forfeited $ 0
Nonvested, Ending Balance $ 13.25