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Hedging Activities And Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Hedging Activities And Financial Instruments [Abstract]
Foreign currency contracts	$ 35,302	$ 0

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- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

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- Definition

Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant