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