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Derivative Instruments and Hedging Activities (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014
Derivative [Line Items] |  |
Total non-designated derivative realized (gain) loss, net | $ (5,150) | $ (1,061)
Commodity options |  |
Derivative [Line Items] |  |
Total non-designated derivative realized (gain) loss, net | 399 | 685
Foreign exchange forwards |  |
Derivative [Line Items] |  |
Total non-designated derivative realized (gain) loss, net | 187 | (731)
Foreign exchange options |  |
Derivative [Line Items] |  |
Total non-designated derivative realized (gain) loss, net | $ (5,736) | $ (1,015)

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or 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 (e) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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