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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)
3 Months Ended 9 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Income Tax Disclosure [Abstract]        
Statutory rate     35.00% 35.00%
Foreign valuation allowance     (11.00%) 76.00%
Research and development credit     (12.00%) (34.00%)
State income taxes, net of federal benefit     1.00% 2.00%
Rate differential and other     (5.00%) (2.00%)
Effective tax rate 19.00% 42.00% 8.00% 77.00%