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Nature of Operations and Basis of Presentation - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of employees of PCA	13,600
Number of reportable segments	3

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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