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Derivatives - Summary of Fair Value Amounts of Company's Derivative Instruments (Detail) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Forward exchange contracts, assets | $ 801 | $ 1,966
Forward exchange contracts, liabilities | (535) |
Total net derivative asset designated as hedging instruments | 266 | 1,966
Derivatives Designated as Hedging Instruments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Forward exchange contracts, assets | 801 | 1,966
Forward exchange contracts, liabilities | (535) |
Total net derivative asset designated as hedging instruments | $ 266 | $ 1,966

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- Definition Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 + Details
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