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Income Taxes (Income Tax Provision) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Current:      
Federal $ 1,418 $ 2,203 $ 3,880
State 263 400 342
Foreign 3,148 3,131 2,479
Deferred:      
U.S. (2,270) (2,229) (776)
Foreign (126) (223) (429)
Total income tax provision $ 2,433 $ 3,282 $ 5,496