Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Reconciliation of Statutory Federal Income Tax Rate to Effective Income Tax Rate (Detail)

v2.4.1.9
INCOME TAXES - Reconciliation of Statutory Federal Income Tax Rate to Effective Income Tax Rate (Detail)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]      
Statutory U.S. federal income tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
U.S. state and local income taxes (net of federal benefit) 1.20%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 2.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Non-U.S. tax rate differential (2.40%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (1.30%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (6.10%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
Nondeductible/nontaxable items 1.30%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense (0.20%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense (0.40%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense
U.S. federal tax credits (1.50%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits (1.20%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits (7.40%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits
Other 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.10%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (4.00%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective income tax rate 34.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations 34.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations 17.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations