Commitments, Guarantees, Indemnifications, and Legal Proceedings - Additional Information (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended		12 Months Ended
		Apr. 30, 2024	Dec. 31, 2024	Sep. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Feb. 08, 2017
Schedule Of Commitments And Contingencies [Line Items]
Purchases during period under purchase agreements					$ 403.5	$ 432.6	$ 520.5
Environmental reserve			$ 25.8		25.8
Environmental liabilities and asset retirement obligations			3.2		3.2	4.0
Loss Contingency Accrual			59.2
Settlement amount paid	[1]				$ 95.2	$ 0.0	$ 0.0
DeRidder, Louisiana
Schedule Of Commitments And Contingencies [Line Items]
Loss contingency, period of occurrence					On February 8, 2017
Liability insurance								$ 1.0
Loss Contingency Accrual		$ 91.8
Additional Insurance Coverage			9.0
Settlement amount paid			59.2
Additional coverage amount paid to the plaintiff					$ 9.0
Payment of civil penalty				$ 2.5
Environmental Contingencies
Schedule Of Commitments And Contingencies [Line Items]
Environmental reserve			6.3		6.3
Asset Retirement Obligation
Schedule Of Commitments And Contingencies [Line Items]
Environmental reserve			19.5		19.5
Other Accrued Liabilities [Member] | DeRidder, Louisiana
Schedule Of Commitments And Contingencies [Line Items]
Loss Contingency, Receivable, Current			59.2		59.2
Other Long-Term Liabilities
Schedule Of Commitments And Contingencies [Line Items]
Environmental reserve			22.6		22.6
Prepaids and Other Assets [Member] | DeRidder, Louisiana
Schedule Of Commitments And Contingencies [Line Items]
Loss Contingency, Receivable, Current			59.2		$ 59.2
Minimum
Schedule Of Commitments And Contingencies [Line Items]
Purchase commitments term, years					1 year
Minimum | DeRidder, Louisiana
Schedule Of Commitments And Contingencies [Line Items]
Loss Contingency Accrual			59.2
Maximum
Schedule Of Commitments And Contingencies [Line Items]
Purchase commitments term, years					27 years
Maximum | DeRidder, Louisiana
Schedule Of Commitments And Contingencies [Line Items]
Loss Contingency Accrual			$ 68.2

[1] On April 24, 2024, a jury for the remaining DeRidder mill lawsuit that was tried in the U.S. District Court for the Middle District of Louisiana awarded plaintiffs compensatory damages plus interest. During the fourth quarter of 2024, the Company, certain of its insurers, and the plaintiffs agreed to settle the matter for $59.2 million. A description of the settlement is included in Note 19, Commitments, Guarantees, Indemnifications, and Legal Proceedings for additional detail. The remaining balance relates to other settlement amounts that are fully insured.