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Nature of Operations and Basis of Presentation - Additional Information (Detail) ton in Thousands, employee in Thousands, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 01, 2016 ton | Dec. 31, 2016 USD ($) employee segment | Dec. 31, 2015 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Number of employees of PCA | employee |  | 14 |
Number of reportable segments | segment |  | 3 |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |
Deferred financing costs |  | $ 12.4 | $ 12.3
Long-term debt | Adjustments for New Accounting Pronouncement |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |
Deferred financing costs |  |  | (12.3)
Other long-term assets | Adjustments for New Accounting Pronouncement |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |
Deferred financing costs |  |  | $ (12.3)
Wallula, Washington Mill |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |
Pulp Capacity | ton | 100 |  |

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