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Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Abstract]
Income tax expense	$ 3,245,000	$ 1,406,000	$ 4,404,000	$ 2,950,000
Effective tax rate	50.00%	28.00%	43.00%	29.00%
Increase in valuation allowance	1,400,000		1,400,000
Federal statutory rate			35.00%	35.00%
Unrecognized tax positions that would impact its effective tax rate	$ 0		$ 0

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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