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Gains or Losses Recorded as Component of Other Comprehensive Income (Loss) or Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion) |  |  |  |  | $ (139,922) |  | $ 39,883 |
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion) | (23,185) |  | (15,813) |  | (44,070) |  | (22,654) |
Amount of Gain (Loss) recognized in income on Derivative (Ineffective Portion and Amount excluded from Effectiveness Testing) |  |  |  |  |  |  |  |
Non designated Hedges, amount of (Gain) Loss recognized in Statement of Income on Derivative | 11,359 |  | (10,588) |  | 20,944 |  | (9,002) |
Revenue |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion) | 2,590 |  | (1,144) |  | 5,957 |  | (3,587) |
Cost of Revenue |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion) | (20,801) |  | (11,614) |  | (40,417) |  | (15,025) |
Selling, General and Administrative Expenses |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion) | (4,974) |  | (3,055) |  | (9,610) |  | (4,042) |
Forward Foreign Exchange Contracts (Note A) |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion) |  |  |  |  | (139,922) |  | 39,883 |
Amount of Gain (Loss) recognized in income on Derivative (Ineffective Portion and Amount excluded from Effectiveness Testing) |  |  |  |  |  |  |  |
Forward Foreign Exchange Contracts (Note A) | Foreign Exchange (Gains) Losses, Net |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Non designated Hedges, amount of (Gain) Loss recognized in Statement of Income on Derivative | $ 11,359 | [1] | $ (10,588) | [1] | $ 20,944 | [1] | $ (9,002) | [1]
[1] | These forward foreign exchange contracts were entered into to hedge the fluctuations in foreign exchange rates for recognized balance sheet items such as receivables and inter-company 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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- Definition 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=7476318&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=7476318&loc=SL5624177-113959 + Details
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- Definition 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=7476318&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1),(2) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition 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=7476318&loc=SL5624171-113959 + Details
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- Definition 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 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: 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=7476318&loc=SL5624171-113959 + Details
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