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Income Taxes (Details)
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3 Months Ended | 6 Months Ended | ||
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Mar. 31, 2015
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Mar. 31, 2014
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Mar. 31, 2015
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Mar. 31, 2014
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| Income Tax Disclosure [Abstract] | ||||
| Effective income tax rate (as a percent) | 31.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 29.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 30.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 29.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations |
| X | ||||||||||
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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