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Discontinued Operations (Schedule of Operating Results) (Parenthetical) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Discontinued Operations And Disposal Groups [Abstract]      
Income from discontinued operations, tax $ 633 $ 1,269 $ 522
Gain on sale of discontinued operations, net of tax $ 5,218