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Income Taxes - Additional Information (Detail) (USD $)
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3 Months Ended | 6 Months Ended | |||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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| Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||||
| Income tax expense | $ 12,423,000 | $ 34,153,000 | $ 27,325,000 | $ 36,134,000 | |
| Effective tax rate | 35.70% | 38.90% | 35.80% | 38.90% | |
| Federal statutory income tax rate | 35.00% | ||||
| Income tax receivable | 39,556,000 | 39,556,000 | 47,884,000 | ||
| Accrued taxes payable | 5,100,000 | 5,100,000 | |||
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Tax loss carrybacks to 2010 and 2011
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| Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||||
| Income tax receivable | $ 44,700,000 | $ 44,700,000 | |||
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- Definition
Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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