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Sale Contracts Consisted in Foreign Currency Forward Contracts Outstanding (Detail) In Thousands, unless otherwise specified	3 Months Ended			3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2015 USD ($)	Mar. 31, 2015 Australia, Dollars USD ($)	Mar. 31, 2015 Australia, Dollars AUD	Mar. 31, 2015 Brazil, Brazil Real USD ($)	Mar. 31, 2015 Brazil, Brazil Real BRL	Mar. 31, 2015 United Kingdom, Pounds USD ($)	Mar. 31, 2015 United Kingdom, Pounds GBP (£)	Mar. 31, 2015 Canada, Dollars USD ($)	Mar. 31, 2015 Canada, Dollars CAD	Mar. 31, 2015 China, Yuan Renminbi USD ($)	Mar. 31, 2015 China, Yuan Renminbi CNY	Mar. 31, 2015 Euro Member Countries, Euro USD ($)	Mar. 31, 2015 Euro Member Countries, Euro EUR (€)	Mar. 31, 2015 India, Rupees USD ($)	Mar. 31, 2015 India, Rupees INR	Mar. 31, 2015 Japan, Yen USD ($)	Mar. 31, 2015 Japan, Yen JPY (¥)	Mar. 31, 2015 Korea (South), Won USD ($)	Mar. 31, 2015 Korea (South), Won KRW	Mar. 31, 2015 Mexico, Pesos USD ($)	Mar. 31, 2015 Mexico, Pesos MXN	Mar. 31, 2015 Poland, Zlotych USD ($)	Mar. 31, 2015 Poland, Zlotych PLN	Mar. 31, 2015 Russia, Rubles USD ($)	Mar. 31, 2015 Russia, Rubles RUB	Mar. 31, 2015 Singapore, Dollars USD ($)	Mar. 31, 2015 Singapore, Dollars SGD	Mar. 31, 2015 South Africa, Rand USD ($)	Mar. 31, 2015 South Africa, Rand ZAR	Mar. 31, 2015 Sweden, Kronor USD ($)	Mar. 31, 2015 Sweden, Kronor SEK	Mar. 31, 2015 Switzerland, Francs USD ($)	Mar. 31, 2015 Switzerland, Francs CHF	Mar. 31, 2015 Turkey, New Lira USD ($)	Mar. 31, 2015 Turkey, New Lira TRY	Mar. 31, 2015 United Arab Emirates, Dirhams USD ($)	Mar. 31, 2015 United Arab Emirates, Dirhams AED
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional Value	$ 17,400invest_DerivativeNotionalAmount	$ 900invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_AUD	985invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_AUD	$ 1,300invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_BRL	3,184invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_BRL	$ 1,600invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_GBP	£ 950invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_GBP	$ 700invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_CAD	757invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_CAD	$ 1,700invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_CNY	10,664invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_CNY	$ 4,800invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_EUR	€ 3,534invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_EUR	$ 300invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_INR	19,347invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_INR	$ 1,300invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_JPY	¥ 131,508invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_JPY	$ 850invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_KRW	881,552invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_KRW	$ 300invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_MXN	4,001invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_MXN	$ 1,600invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_PLN	4,980invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_PLN	$ 200invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_RUB	7,323invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_RUB	$ 400invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_SGD	500invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_SGD	$ 600invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_ZAR	6,769invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_ZAR	$ 250invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_SEK	1,698invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_SEK	$ 300invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_CHF	268invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_CHF	$ 100invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_TRY	230invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_TRY	$ 200invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_AED	738invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_AED
Fair Value Gain (Loss)	$ 2,590us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	$ 153us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_AUD		$ 330us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_BRL		$ 191us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_GBP		$ 103us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_CAD		$ (23)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_CNY		$ 998us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_EUR		$ (5)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_INR		$ 202us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_JPY		$ 58us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_KRW		$ 39us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_MXN		$ 290us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_PLN		$ 79us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_RUB		$ 36us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_SGD		$ 50us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_ZAR		$ 53us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_SEK		$ 24us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_CHF		$ 13us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_TRY		$ (1)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_CurrencyAxis = currency_AED

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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X

- Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

X

- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as 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 4C

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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