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Income Taxes - Additional Information (Detail) (USD $)
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3 Months Ended | |
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Mar. 31, 2014
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Mar. 31, 2013
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| Income Tax Disclosure [Abstract] | ||
| Income taxes | $ 34,853,000 | $ 44,675,000 |
| Effective income tax rate | 31.80% | 27.30% |
| Total amount of unrecognized tax benefits, including related interest and penalties | 36,600,000 | |
| Unrecognized tax benefits excluding interest and penalties that if recognized would affect the effective tax rate | 29,600,000 | |
| Total accrued interest for tax contingencies | 4,100,000 | |
| Total accrued penalties for tax contingencies | 1,100,000 | |
| Amount of unrecognized tax benefits that could decrease within the next 12 months | 10,600,000 | |
| Decrease in unrecognized tax benefits due to the settlement of audits or resolution of administrative or judicial proceedings | 6,800,000 | |
| Decrease in unrecognized tax benefits expiration of statute of limitations | $ 3,800,000 | |
| X | ||||||||||
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- Definition
Estimated decrease in unrecognized tax benefits within the next twelve months due to settlement of audits or resolution of administrative or judicial proceedings. No definition available.
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- Definition
Estimated decrease in unrecognized tax benefits within the next twelve months due to expiration of statute of limitations. No definition available.
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- Definition
Gross Balance Of Unrecognized Tax Benefits Including Interest And Penalties No definition available.
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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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- Details
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| X | ||||||||||
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- Definition
Amount 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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- Definition
The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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