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Income Taxes - Components of Income Tax Expense Benefit (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income from continuing operations before income taxes and equity in net income of unconsolidated investments: |  |  |
Domestic | $ 45,689 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic | $ 351,731 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic | $ 311,195 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Foreign | 167,490 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign | 186,711 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign | 57,017 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Income from continuing operations before income taxes and equity in net income of unconsolidated investments | 213,179 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 538,442 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 368,212 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Current income tax expense: |  |  |
Federal | 36,708 us-gaap_CurrentFederalTaxExpenseBenefit | 53,953 us-gaap_CurrentFederalTaxExpenseBenefit | 67,022 us-gaap_CurrentFederalTaxExpenseBenefit
State | 3,209 us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 2,195 us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 6,107 us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Foreign | 25,700 us-gaap_CurrentForeignTaxExpenseBenefit | 18,414 us-gaap_CurrentForeignTaxExpenseBenefit | 19,672 us-gaap_CurrentForeignTaxExpenseBenefit
Total | 65,617 us-gaap_CurrentIncomeTaxExpenseBenefit | 74,562 us-gaap_CurrentIncomeTaxExpenseBenefit | 92,801 us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income tax expense (benefit): |  |  |
Federal | (32,890)us-gaap_DeferredFederalIncomeTaxExpenseBenefit | 69,817 us-gaap_DeferredFederalIncomeTaxExpenseBenefit | 928 us-gaap_DeferredFederalIncomeTaxExpenseBenefit
State | (1,139)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 2,416 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 648 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Foreign | (13,104)us-gaap_DeferredForeignIncomeTaxExpenseBenefit | (12,350)us-gaap_DeferredForeignIncomeTaxExpenseBenefit | (13,944)us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Total | (47,133)us-gaap_DeferredIncomeTaxExpenseBenefit | 59,883 us-gaap_DeferredIncomeTaxExpenseBenefit | (12,368)us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax expense | $ 18,484 us-gaap_IncomeTaxExpenseBenefit | $ 134,445 us-gaap_IncomeTaxExpenseBenefit | $ 80,433 us-gaap_IncomeTaxExpenseBenefit

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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6509736 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 + Details
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