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Income Taxes (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012
Income Taxes [Line Items] |  |
Effective tax rate for continuing operations | 31.50% | 27.80%
Benefit from the tax incentives | $ 1.9 | $ 3.8
Benefit from the tax incentives, per share | $ 0.06 | $ 0.12
Valuation allowance | $ 0.4 | $ 1.3
Terphane Ltda [Member] |  |
Income Taxes [Line Items] |  |
Current effective tax rate | 15.25% |
Income tax rate | 6.25% |
Percentage of social contribution on income included in current effective tax rate | 9.00% |
Brazil [Member] |  |
Income Taxes [Line Items] |  |
Federal statutory income tax rate | 34.00% |
Income tax rate | 25.00% |
Percentage of social contribution on income included in federal statutory income tax rate | 9.00% |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 11.C) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section C + Details
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