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Currency Transaction Gains (Losses) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Net transaction gains (losses) | $ 10,062 | $ 7,730 | $ 21,041 | $ 14,867
Operating income |  |  |  |
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Net transaction gains (losses) | 12,535 | 7,722 | 24,439 | 15,791
Other non-operating income (expense), net |  |  |  |
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Net transaction gains (losses) | $ (2,473) | $ 8 | $ (3,398) | $ (924)

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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 + Details
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