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Income and other Taxes Income and other Taxes - (Loss) income before taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]                      
Domestic                 $ (19,478) $ 7,137 $ (38,613)
Foreign                 250 (2,029) 1,086
(Loss) income before income taxes $ (8,592) $ (3,150) $ (5,432) $ (2,054) $ (2,252) $ (7,283) $ 11,697 $ 2,946 $ (19,228) $ 5,108 $ (37,527)