Commitments and Contingencies - Recycling Operations - Recycling Operations (Details) $ in Thousands		1 Months Ended			3 Months Ended
	Dec. 01, 2017	Feb. 28, 2021	Apr. 30, 2020 USD ($)	Jan. 31, 2017 USD ($)	Nov. 30, 2023 USD ($)	Aug. 31, 2023 USD ($)	Dec. 31, 2017 Potentially_responsible_party	Jan. 30, 2017 Party Potentially_responsible_party	Aug. 31, 2007 USD ($)
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies					$ 64,243	$ 66,777
Liabilities Established					131
Other Noncurrent Assets
Loss Contingencies [Line Items]
Insurance receivable					20,000	14,000
Portland Harbor Superfund Site
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies					5,000	5,000
Number Of Other Potentially Responsible Parties Signing Settlement Agreement and Order on Consent | Potentially_responsible_party							3
Number of Years for Pre-Remedial Design	2 years
Number Of Potentially Responsible Parties Joining Allocation Process | Potentially_responsible_party								100
Portland Harbor Superfund Site | Minimum
Loss Contingencies [Line Items]
Percentage of area require active clean up in remedial design phase		100.00%
Portland Harbor Superfund Site - River Mile 3.5
Loss Contingencies [Line Items]
Site contingency expected completion term for remedial design			4 years
Site contingency EPA estimated completion cost for remedial design			$ 4,000
Insurance receivable					1,000	$ 1,000
Portland Harbor Superfund Site - NRD
Loss Contingencies [Line Items]
Parties named in Litigation | Party								30
Portland Harbor Superfund Site - NRD | Other Noncurrent Assets
Loss Contingencies [Line Items]
Insurance receivable					$ 2,300
Lower Willamette Group | Portland Harbor Superfund Site | Minimum
Loss Contingencies [Line Items]
Remedial Investigation and Feasibility Study Costs									$ 155,000
Potential Responsible Parties | Portland Harbor Superfund Site
Loss Contingencies [Line Items]
Estimated Cost of Selected Remedy Undiscounted				$ 1,700,000
Estimated Cost of Selected Remedy Discounted				$ 1,050,000
Estimated Cost of Selected Remedy, Discount Rate				7.00%
Site Contingency, Estimated Construction Time Frame				13 years
Potential Responsible Parties | Portland Harbor Superfund Site | Minimum
Loss Contingencies [Line Items]
Estimated Cost of Selected Remedy, Range				50.00%
Potential Responsible Parties | Portland Harbor Superfund Site | Maximum
Loss Contingencies [Line Items]
Estimated Cost of Selected Remedy, Range				(30.00%)