Annual report pursuant to Section 13 and 15(d)

Income Taxes - Statutory Rate Reconciliation (Detail)

v2.4.1.9
Income Taxes - Statutory Rate Reconciliation (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Statutory rate reconciliation      
Tax Provision Computed at Statutory Rate $ (19,273)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ 27,015us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ 30,503us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Foreign taxes not offset in U.S. by foreign tax credits 4,433us-gaap_IncomeTaxReconciliationTaxSettlementsForeign (2,072)us-gaap_IncomeTaxReconciliationTaxSettlementsForeign 25,266us-gaap_IncomeTaxReconciliationTaxSettlementsForeign
Permanent Differences 135us-gaap_IncomeTaxReconciliationNondeductibleExpense 973us-gaap_IncomeTaxReconciliationNondeductibleExpense 2,370us-gaap_IncomeTaxReconciliationNondeductibleExpense
Foreign Tax Credit Adjustments 8,417us-gaap_IncomeTaxReconciliationTaxCreditsForeign (28,027)us-gaap_IncomeTaxReconciliationTaxCreditsForeign  
Increase/(Decrease) in Valuation Allowance 28,762us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 37,752us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 23,675us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Other 12us-gaap_IncomeTaxReconciliationOtherAdjustments (1,526)us-gaap_IncomeTaxReconciliationOtherAdjustments  
Total $ 22,486us-gaap_IncomeTaxExpenseBenefit $ 34,115us-gaap_IncomeTaxExpenseBenefit $ 81,813us-gaap_IncomeTaxExpenseBenefit