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Income Taxes (Parenthetical) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Income Tax Examination, Penalties and Interest Expense	$ 0us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense

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- Definition

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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