INCOME TAXES - Additional Information (Detail) (USD $) In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2011 |
Sep. 30, 2010 |
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| Income Taxes [Line Items] | ||||
| Gross unrecognized tax benefit balance, change within the next twelve months, lower limit | $ 0 | $ 0 | ||
| Gross unrecognized tax benefit balance, change within the next twelve months, upper limit | $ 8.3 | $ 8.3 | ||
| Effective income tax rate | 36.20% | 34.40% | 43.90% | 35.70% |
| Increase in effective tax rate | 7.70% | |||
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- Definition Income Taxes [Line Items]
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- Definition A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The estimated lower 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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- 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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