Concentrations of Risk - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) Employee	Dec. 31, 2020 USD ($)
Concentration Risk [Line Items]
Accounts receivable, net, current	$ 1,071.0	$ 832.4
Number of employees of PCA | Employee	15,200
Percentage of hourly employees represented by unions	63.00%
Office Depot | Credit Concentration Risk
Concentration Risk [Line Items]
Accounts receivable, net, current	$ 49.8	$ 39.6
Workforce Subject to Collective Bargaining Arrangements | Customer Concentration Risk | Labor
Concentration Risk [Line Items]
Concentration risk, percentage	45.00%
Workforce Subject to Collective Bargaining Arrangements Expiring within One Year | Customer Concentration Risk | Labor
Concentration Risk [Line Items]
Concentration risk, percentage	2.00%
Total Company Sales Revenue | Office Depot | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	4.00%	5.00%
Paper Segment Sales Revenue | Office Depot | Customer Concentration Risk | Paper
Concentration Risk [Line Items]
Concentration risk, percentage	51.00%	45.00%
Total Company Receivables | Office Depot | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	4.00%	5.00%