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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  |  |  | 12 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Raw Materials Assessment [Member] Unfavorable Regulatory Action [Member] Assessment | Dec. 31, 2010 Raw Materials Assessment [Member] Unfavorable Regulatory Action [Member] Assessment | Dec. 31, 2013 Electricity Assessment [Member] Unfavorable Regulatory Action [Member] | Dec. 31, 2013 Paper Segment [Member] Other Fibers [Member] | Dec. 31, 2013 Paper Segment [Member] Wood Pulp [Member] | Dec. 31, 2013 Reconstituted Tobacco [Member] Tobacco Stems [Member] | Dec. 31, 2013 PdM Subsidiary [Member] Calcium Carbonate [Member] | Dec. 31, 2013 LTRI and PdM Subsidiaries [Member] Energy Cogeneration Steam Supply Agreement [Member] | Dec. 31, 2013 SWM-B Brazilian Mill [Member] Transmission and Distribution of Energy Agreement [Member] | Dec. 31, 2013 French Mills [Member] Transmission and Distribution of Energy Agreement [Member]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
2014 | $ 2.7 |  |  |  |  |  |  |  |  |  |  |  |
2015 | 2.6 |  |  |  |  |  |  |  |  |  |  |  |
2016 | 2.4 |  |  |  |  |  |  |  |  |  |  |  |
2017 | 1.8 |  |  |  |  |  |  |  |  |  |  |  |
2018 | 1.3 |  |  |  |  |  |  |  |  |  |  |  |
Thereafter | 3.3 |  |  |  |  |  |  |  |  |  |  |  |
Total | 14.1 |  |  |  |  |  |  |  |  |  |  |  |
Operating Leases, Rent Expense | 5.3 | 5.3 | 4.9 |  |  |  |  |  |  |  |  |  |
Purchase Commitment, Remaining Minimum Amount Committed |  |  |  |  |  |  | 8 | 5 | 2 | 2 |  |  |
Long-term Purchase Commitment, Amount |  |  |  |  |  |  |  |  |  |  | 4 |  |
Long-term Contract for Purchase of Electric Power, Estimated Annual Cost |  |  |  |  |  |  |  |  |  |  |  | 4 |
Long-term Contract for Purchase of Electric Power, Due Within One Year |  |  |  |  |  |  |  |  |  |  |  |  | 24
Number of assessments from the tax authorities regarding ICMS taxes |  |  |  |  | 2 |  |  |  |  |  |  |  |
Number of tax assessments related to periods that predated acquisition and are covered by indemnification |  |  |  | 1 |  |  |  |  |  |  |  |  |
Loss Contingency, Range of Possible Loss, Maximum |  |  |  | 39 |  | 19 |  |  |  |  |  |  |
Portion covered by indemnification |  |  |  | 17 |  |  |  |  |  |  |  |  |
Capital Expenditures for Environmental Matters | 1.0 |  |  |  |  |  |  |  |  |  |  |  |
Expected Capital Expenditures for Environmental Matters In the Next Fiscal Year | 1 |  |  |  |  |  |  |  |  |  |  |  |
Expected Capital Expenditures for Environmental Matters Due In Two Years | $ 1.0 |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The number of assessments from the tax authorities of the State of Rio de Janeiro for unpaid Imposto sobre circulacao de Mercadorias e Servicos (or ICMS) taxes, a form of value-added tax in Brazil. + References No definition available. + Details
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