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Derivative Instruments and Hedging Activities (Derivatives Not Designated as Hedging Instruments) (Details) - Derivatives not designated as hedging instruments - USD ($) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Derivative [Line Items] |  |  |  |
Total non-designated derivative realized (gain) loss, net | $ 0 | $ (2,492,000) | $ (14,000) | $ (4,860,000)
Commodity options |  |  |  |
Derivative [Line Items] |  |  |  |
Total non-designated derivative realized (gain) loss, net | 0 | 37,000 | 0 | 392,000
Foreign exchange forwards |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Notional Amount | 1,000,000 |  | 1,000,000 |
Total non-designated derivative realized (gain) loss, net | 0 | 114,000 | (14,000) | 208,000
Foreign exchange options |  |  |  |
Derivative [Line Items] |  |  |  |
Total non-designated derivative realized (gain) loss, net | $ 0 | $ (2,643,000) | $ 0 | $ (5,460,000)

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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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=64837297&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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- Details
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