Annual report pursuant to section 13 and 15(d)

Treasury Stock (Schedule of Information Relating to Purchases) (Details)

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Treasury Stock (Schedule of Information Relating to Purchases) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Treasury Stock [Abstract]      
Total number of shares purchased 75,887 12,332 48,280
Average price paid per share $ 38.14 $ 24.12 $ 24.96
Total shares purchased as part of publicly announced plan or program 257,203 181,316 168,984
Total dollar value of shares purchased $ 2,894 $ 298 $ 1,205