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COMPREHENSIVE INCOME - Components of accumulated other comprhensive income (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Sep. 30, 2011
Equity [Abstract]    
Unrealized gains (losses) on securities available-for-sale, net of tax $ 2,950 $ 1,480
Unrecognized pension plan expense, net of tax (2,078) (1,154)
Accumulated other comprehensive income (loss), net $ 872 $ 326