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Income Taxes (Schedule of Income (loss) before Provision for Income Taxes) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Income Tax Disclosure [Abstract]      
United States $ 4,126 $ 4,542 $ 9,723
International 29,001 25,479 (5,816)
Total pre-tax income $ 33,127 $ 30,021 $ 3,907