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