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Gains or Losses Recorded as Component of Other Comprehensive Income (Loss) or Other Comprehensive Income (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion)		$ (79)	$ 24,564
Amount of Gain (Loss) recognized in income on Derivative (Ineffective Portion and Amount excluded from Effectiveness Testing)		0	0
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)		(2,902)	(9,254)
Non designated Hedges, amount of (Gain) Loss recognized in Statement of Income on Derivatives		(1,134)	(2,244)
Net revenues
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)		3,871	2,495
Cost of Revenue
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)		(5,312)	(9,427)
Selling, General and Administrative Expenses
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)		(1,461)	(2,322)
Foreign Exchange Contract
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion)		1,847	24,564
Amount of Gain (Loss) recognized in income on Derivative (Ineffective Portion and Amount excluded from Effectiveness Testing)		0	0
Foreign Exchange Contract | Foreign Exchange (Gains) Losses, Net
Other Comprehensive Income (Loss) [Line Items]
Non designated Hedges, amount of (Gain) Loss recognized in Statement of Income on Derivatives	[1]	(1,134)	$ (2,244)
Interest Rate Swap
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion)		$ (1,926)
[1] These forward foreign exchange contracts were entered into to hedge fluctuations in foreign exchange rates for recognized balance sheet items such as receivables and intercompany borrowings, and were not originally designated as hedges under FASB guidance on derivatives and hedging. Realized (gains) losses and changes in the fair value of these derivatives are recorded in foreign exchange (gains) losses, net in the consolidated statements of income.

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Other Comprehensive Income (Loss) [Line Items]

+ References

No definition available.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and 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 (c)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959

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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ 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 (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated 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=56946850&loc=SL5624171-113959

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-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959

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