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Derivative Financial Instruments - Income Statement Location and Impact of Derivative Financial Instruments (Detail) (Not Designated as Hedging Instrument, Foreign exchange contract, USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Not Designated as Hedging Instrument | Foreign exchange contract |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Currency exchange losses, net | $ 2,268us-gaap_DerivativeGainLossOnDerivativeNet / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_ForeignExchangeContractMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember | $ 805us-gaap_DerivativeGainLossOnDerivativeNet / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_ForeignExchangeContractMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Details
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