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Derivative Instruments - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013
Derivatives, Fair Value [Line Items] |
Net amount of existing gains and losses | $ 111,000
Economic Hedge Forward Contracts [Member] |
Derivatives, Fair Value [Line Items] |
Derivative instruments maturity period | 45 days
Number of derivative instruments to manage foreign currency risk | 2
Cash Flow Hedge Forward Contracts [Member] |
Derivatives, Fair Value [Line Items] |
Derivative instruments maturity period | 18 months

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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References No definition available. + Details
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- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 + Details
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