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Derivative Financial Instruments Terphane Future Cash Flow Hedges (Details) - Terphane Ltda [Member] R$ in Thousands, $ in Thousands | Sep. 30, 2018 BRL (R$) | Sep. 30, 2018 USD ($)
--- | --- | ---
Derivative [Line Items] |  |
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Derivative, Notional Amount, Net | R$ 110,358 | $ 29,700
Foreign Currency Exchange Rate, Translation | 3,715.8 | 3,715.8
Oct-2018 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,830 | $ 2,250
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,480.1 | 3,480.1
Nov-18 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,850 | $ 2,250
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,488.7 | 3,488.7
Dec-18 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,868 | $ 2,250
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,496.9 | 3,496.9
Jan-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,380 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,644.2 | 3,644.2
Feb-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,397 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,652.7 | 3,652.7
Mar-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,410 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,659.3 | 3,659.3
Apr-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,430 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,669.0 | 3,669.0
May-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,451 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,679.5 | 3,679.5
Jun-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,473 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,690.4 | 3,690.4
Jul-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 6,989 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,882.6 | 3,882.6
Aug-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,011 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,895.0 | 3,895.0
Sep-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,033 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,907.0 | 3,907.0
Oct-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,056 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,920.3 | 3,920.3
Nov-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,080 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,933.1 | 3,933.1
Dec-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,102 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,945.5 | 3,945.5

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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
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