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Information Related to Recurring Fair Value Measurement of Derivative Instruments in Our Consolidated Balance Sheet (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Asset Derivatives, Fair Value, Total | $ 2,036 | $ 4,301
Fair Value, Inputs, Level 2 | Foreign Currency Derivatives | Noncurrent Assets |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Asset Derivatives, Fair Value, Total | 1,969 | 4,141
Fair Value, Inputs, Level 2 | Currency Related Swap |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Net Asset/(Liabilities) | (11,829) | (15,876)
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Liability Derivatives, Fair value |  | (471)
Net Asset/(Liabilities) | 2,036 | 3,830
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives | Current Assets |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Net Asset/(Liabilities) |  | 157
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives | Noncurrent Assets |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Net Asset/(Liabilities) | 1,969 | 4,141
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives | Current Liabilities |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Liability Derivatives, Fair value |  | (471)
Net Asset/(Liabilities) |  | (468)
Fair Value, Inputs, Level 2 | Not a hedge | Currency Related Swap |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Liability Derivatives, Fair value | (11,829) | (15,876)
Fair Value, Inputs, Level 2 | Not a hedge | Currency Related Swap | Current Liabilities |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Liability Derivatives, Fair value | (2,471) | (2,631)
Fair Value, Inputs, Level 2 | Not a hedge | Currency Related Swap | Noncurrent Liabilities |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Liability Derivatives, Fair value | (9,358) | (13,245)
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Interest Rate Swap | Current Liabilities |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Liability Derivatives, Fair value | (81) | (224)
Net Asset/(Liabilities) | (81) | (224)
Fair Value, Inputs, Level 2 | Contract One | Not a hedge | Foreign Currency Derivatives | Current Assets |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Asset Derivatives, Fair Value, Total | 1 | 3
Net Asset/(Liabilities) | 1 |
Fair Value, Inputs, Level 2 | Contract Two | Not a hedge | Foreign Currency Derivatives | Current Assets |  |
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items] |  |
Asset Derivatives, Fair Value, Total | 66 | 157
Net Asset/(Liabilities) | $ 66 |

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- Definition Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 + Details
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- Definition Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226003-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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