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Income Taxes (Schedule of Effective Tax Rate) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Income Tax Disclosure [Abstract]
Income from continuing operations before income taxes	$ 2,696	$ 11,031	$ 1,466	$ 22,235
Income tax provision	6,379us-gaap_IncomeTaxExpenseBenefit	4,055us-gaap_IncomeTaxExpenseBenefit	5,388us-gaap_IncomeTaxExpenseBenefit	7,992us-gaap_IncomeTaxExpenseBenefit
Income (loss) from continuing operations	$ (3,683)	$ 6,976	$ (3,922)	$ 14,243
Effective tax rate	236.60%	36.80%	367.50%	35.90%

Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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