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Income Taxes (Details 3)
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12 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2011
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| Reconciliation of the U.S. federal statutory rate to the effective rate for continuing operations | |||
| U.S. statutory rate (as a percent) | 35.00% | 35.00% | 35.00% |
| Permanent items (as a percent) | 0.60% | 3.50% | |
| State taxes (as a percent) | 3.90% | 3.90% | 4.30% |
| Net foreign rate differential (as a percent) | 0.60% | 0.70% | |
| Provision for income taxes (as a percent) | 40.10% | 39.60% | 42.80% |
| 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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| X | ||||||||||
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- Definition
Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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