Acquisitions	12 Months Ended
Dec. 31, 2021
Asset Acquisition [Abstract]
Acquisitions	5. Acquisitions Advance Packaging Acquisition On December 11, 2021, PCA acquired the assets of Advance Packaging Corporation ("Advance Packaging"), an independent corrugated products producer, for $194.9 million, including working capital adjustments. Assets acquired include full-line corrugated products operations in Grand Rapids, Michigan. Advance Packaging is a full-service producer of corrugated packaging products, including graphics, retail displays, sustainable shipping containers, and protective packaging. Advance Packaging's financial results are included in the Packaging segment from the date of acquisition. We have estimated the allocation of the purchase price to the assets acquired and liabilities assumed based on estimates of the fair value at the date of acquisition, of which $66.7 million was allocated to property, plant, and equipment, $60.0 million was allocated to goodwill (which is deductible for tax purposes) and $50.2 million to intangible assets (to be amortized over a weighted average life of approximately 9.7 years), primarily customer relationships, in the Packaging segment. The purchase price continues to be preliminary, as estimates and assumptions are subject to change as more information becomes available. Had the acquisition occurred at the beginning of 2020, the Company's net sales would have been $7.8 billion and $6.8 billion for 2021 and 2020, respectively.

Acquisitions

12 Months Ended

Dec. 31, 2021

Advance Packaging Acquisition

On December 11, 2021, PCA acquired the assets of Advance Packaging Corporation ("Advance Packaging"), an independent corrugated products producer, for $194.9 million, including working capital adjustments. Assets acquired include full-line corrugated products operations in Grand Rapids, Michigan. Advance Packaging is a full-service producer of corrugated packaging products, including graphics, retail displays, sustainable shipping containers, and protective packaging. Advance Packaging's financial results are included in the Packaging segment from the date of acquisition. We have estimated the allocation of the purchase price to the assets acquired and liabilities assumed based on estimates of the fair value at the date of acquisition, of which $66.7 million was allocated to property, plant, and equipment, $60.0 million was allocated to goodwill (which is deductible for tax purposes) and $50.2 million to intangible assets (to be amortized over a weighted average life of approximately 9.7 years), primarily customer relationships, in the Packaging segment. The purchase price continues to be preliminary, as estimates and assumptions are subject to change as more information becomes available. Had the acquisition occurred at the beginning of 2020, the Company's net sales would have been $7.8 billion and $6.8 billion for 2021 and 2020, respectively.