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Income Taxes - Additional Information (Detail) (USD $)
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12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Income Tax Disclosure [Abstract] | |||
| Percent reduction of effective tax rate due to Qualified Domestic Production Activities | 3.00%us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities | 2.50%us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities | 5.10%us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities |
| Income tax payments | $ 20,000,000us-gaap_IncomeTaxesPaid | $ 18,500,000us-gaap_IncomeTaxesPaid | $ 15,000,000us-gaap_IncomeTaxesPaid |
| Reserve for uncertain tax positions | $ 0us-gaap_LiabilityForUncertainTaxPositionsNoncurrent | ||
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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 deduction for qualified production activity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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