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Stock Compensation Plans: Schedule of Expenses for Stock Compensation Plans (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 80 $ 92 $ 141
Related tax benefit recognized (8) (28) (37)
Stock Options
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense 49 15 7
Stock Grants | MRDP
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense $ 39 $ 105 $ 171