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Discontinued Operations (Schedule of Operating Results) (Parenthetical) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Income from discontinued operations, net of tax $ 131 $ 334 $ 633 $ 478
Gain on sale of discontinued operations, net of tax $ 5,218 $ 0 $ 5,218 $ 0