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Stock-Based Compensation Plans - Stock Compensation Expense (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Stock option grants $ 441 $ 376 $ 381
Annual non-employee Director stock award 698 507 320
Total Stock Compensation expense $ 1,139 $ 883 $ 701