Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Transactions With Related Party (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Related Party Transaction [Line Items]
Sales	$ 1,713,724	$ 1,834,441	$ 5,156,814	$ 5,193,989
Unconsolidated variable interest entity
Related Party Transaction [Line Items]
Sales	2,600	2,900	8,300	9,000
Cost of sales from related party	$ 22,100	$ 20,300	$ 63,200	$ 61,500
Louisiana Timber Procurement Company LLC \| Variable Interest Entity, Primary Beneficiary \| Packaging Corporation of America (PCA)
Related Party Transaction [Line Items]
Variable interest entity, ownership percentage			50.00%
Louisiana Timber Procurement Company LLC \| Unconsolidated variable interest entity
Related Party Transaction [Line Items]
Variable interest entity, ownership percentage			50.00%