Discontinued Operations (Schedule of Operating Results) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2014	Mar. 31, 2014
Discontinued Operations And Disposal Groups [Abstract]
Revenues	$ 1,557	$ 13,923
Income from discontinued operations, net of tax of zero, $131, zero and $633, respectively	54	1,041
Gain on sale of discontinued operations, net of tax of $5,218	8,563	8,563
Net income from discontinued operations, net of tax	$ 8,617	$ 9,604
Earnings (loss) per share:
Basic	$ 0.72	$ 0.80
Diluted	$ 0.71	$ 0.80

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.

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Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.

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