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Financial Instruments and Fair Value Measurements (Schedule of Cash Flow Hedges in Other Comprehensive Loss and Net Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Derivatives designated as cash flow hedges: |  |  |  |
Gain (loss) recorded in other comprehensive loss | $ 552 | $ 3,190 | $ (871) | $ 7,083
Gain(loss) reclassified from other comprehensive income into net income | 243 | (789) | 1,498 | (2,381)
Forward Contracts [Member] |  |  |  |
Derivatives designated as cash flow hedges: |  |  |  |
Gain (loss) recorded in other comprehensive loss | (83) | 2,301 | 228 | 5,352
Gain(loss) reclassified from other comprehensive income into net income | 612 | (15) | 2,150 | (515)
Commodity Contract [Member] |  |  |  |
Derivatives designated as cash flow hedges: |  |  |  |
Gain (loss) recorded in other comprehensive loss | 635 | 889 | (1,099) | 1,731
Gain(loss) reclassified from other comprehensive income into net income | $ (369) | $ (774) | $ (652) | $ (1,866)

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and 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 (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959 + Details
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