Foreign Currency Exchange Gain Loss [Line Items]

No definition available.

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- Definition

Realized Gain Loss On Derivatives

+ References

No definition available.

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- Definition

Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

+ References

No definition available.

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- Definition

Amount before tax of foreign currency transaction realized 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

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-Publisher FASB
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-Publisher FASB
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- Definition

Amount before tax of foreign currency transaction 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 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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- Definition

Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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Risk Management And Derivatives (Changes In Foreign Currency Exchange Rates And Derivative Foreign Currency Forward Contracts) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Foreign Currency Exchange Gain Loss [Line Items]
Maturity of foreign currency forward contract	14 months
Unrealized foreign currency exchange rate gains (losses)			$ 30,429	$ 4,846
Foreign Currency Exchange Rates [Member]
Foreign Currency Exchange Gain Loss [Line Items]
Unrealized foreign currency exchange rate gains (losses)	$ 1,035	$ 985	30,429	4,846
Realized foreign currency exchange rate gains (losses)	3,221	(2,635)	865	(3,094)
Gain (Loss) on Derivative Instruments [Member]
Foreign Currency Exchange Gain Loss [Line Items]
Unrealized derivative gains (losses)	388	516	(838)	(401)
Realized derivative gains (losses)	$ (4,182)	426	$ (26,972)	(2,415)
Fair Value, Inputs, Level 2 [Member]
Foreign Currency Exchange Gain Loss [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure		$ 1,577		$ 1,577	$ 15,238