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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	3.00%	2.00%	2.00%
International withholding tax		(1.00%)	(1.00%)
Other permanent tax items	1.00%	1.00%
Foreign rate differential	1.00%	(1.00%)	1.00%
Domestic production activities deduction	(3.00%)	(3.00%)	(3.00%)
Foreign valuation allowance and other	(1.00%)	(17.00%)	4.00%
Effective rate	36.00%	16.00%	38.00%

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Effective income tax rate reconciliation foreign valuation allowance and other.

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Effective income tax rate reconciliation international withholding tax.

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Effective income tax rate reconciliation other permanent tax items.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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