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Summary of Significant Accounting Policies - Additional Information (Detail)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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| Significant Accounting Policies [Line Items] | ||||
| Effective tax rate from continuing operations | 38.00% | 36.30% | 38.70% | 37.80% |
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- Details
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| 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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