75000 - Document - Document and Entity Information
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75010 - Statement - INTERIM CONSOLIDATED STATEMENTS OF OPERATIONS
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75020 - Statement - INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
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75030 - Statement - INTERIM CONSOLIDATED BALANCE SHEETS
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75040 - Statement - INTERIM CONSOLIDATED BALANCE SHEETS (Parenthetical)
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75050 - Statement - INTERIM CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
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75060 - Statement - INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS
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995455 - Disclosure - The Company, Going Concern, and Summary of Significant Accounting Policies
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995465 - Disclosure - Supplemental Financial Statement Information
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995475 - Disclosure - Inventories
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995485 - Disclosure - Accounts Payable and Other
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995495 - Disclosure - Debt
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995505 - Disclosure - Pension and Other Post-Retirement Benefit Obligations
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995515 - Disclosure - Income Taxes
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995525 - Disclosure - Shareholders' Equity
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995535 - Disclosure - Net Loss Per Common Share
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995545 - Disclosure - Accumulated Other Comprehensive Loss
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995555 - Disclosure - Related Party Transactions
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995565 - Disclosure - Segment Information
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995575 - Disclosure - Financial Instruments and Fair Value Measurement
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995585 - Disclosure - Commitments and Contingencies
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995595 - Disclosure - The Company, Going Concern, and Summary of Significant Accounting Policies (Policies)
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995605 - Disclosure - Supplemental Financial Statement Information (Tables)
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995615 - Disclosure - Inventories (Tables)
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995625 - Disclosure - Accounts Payable and Other (Tables)
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995635 - Disclosure - Debt (Tables)
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995645 - Disclosure - Pension and Other Post-Retirement Benefit Obligations (Tables)
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995655 - Disclosure - Income Taxes (Tables)
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995665 - Disclosure - Shareholders' Equity (Tables)
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995675 - Disclosure - Net Loss Per Common Share (Tables)
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995685 - Disclosure - Accumulated Other Comprehensive Loss (Tables)
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995695 - Disclosure - Segment Information (Tables)
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995705 - Disclosure - Financial Instruments and Fair Value Measurement (Tables)
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995715 - Disclosure - The Company, Going Concern, and Summary of Significant Accounting Policies - Additional Information (Details)
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995725 - Disclosure - Supplemental Financial Statement Information - Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details)
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995735 - Disclosure - Inventories - Components of Inventories (Details)
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995745 - Disclosure - Inventories - Additional Information (Details)
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995755 - Disclosure - Accounts Payable and Other - Schedule of Accounts Payable and Other (Details)
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995765 - Disclosure - Accounts Payable and Other - Schedule of Accounts Payable and Other (Parenthetical) (Details)
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995775 - Disclosure - Debt - Schedule of Debt (Details)
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995785 - Disclosure - Debt - Schedule of Debt (Details) 2
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995795 - Disclosure - Debt - Schedule of Debt (Parenthetical) (Details)
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995805 - Disclosure - Debt - Long-Term Principal Maturities of Debt (Details)
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995815 - Disclosure - Debt - Debt Redemption Period for Senior Notes (Details)
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995825 - Disclosure - Pension and Other Post-Retirement Benefit Obligations - Schedule of Net Benefit Costs (Details)
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995835 - Disclosure - Pension and Other Post-Retirement Benefit Obligations - Additional Information (Details)
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995845 - Disclosure - Income Taxes - Reconciliation of Effective Income Tax Rate (Details)
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995855 - Disclosure - Income Taxes - Reconciliation of Effective Income Tax Rate (Details) 2
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995865 - Disclosure - Income Taxes - Additional Information (Details)
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995875 - Disclosure - Shareholders' Equity - Additional Information (Details)
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995885 - Disclosure - Shareholders' Equity - Summary of Share Activity - PSU's (Details)
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995895 - Disclosure - Shareholders' Equity - Summary of Share Activity - Restricted Shares and DSUs (Details)
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995905 - Disclosure - Net Loss Per Common Share - Reconciliation of Basic and Diluted Net Loss Per Common Share (Details)
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995915 - Disclosure - Net Loss Per Common Share - Reconciliation of Basic and Diluted Net Loss Per Common Share (Parenthetical) (Details)
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995925 - Disclosure - Net Loss Per Common Share - Anti-Dilutive Instruments Excluded from Calculation of Net Loss Per Common Share (Details)
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995935 - Disclosure - Accumulated Other Comprehensive Loss - Schedule of Change in Accumulated Other Comprehensive Loss by Components (Details)
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995945 - Disclosure - Related Party Transactions - Additional Information (Details)
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995955 - Disclosure - Segment Information - Additional Information (Details)
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995965 - Disclosure - Segment Information - Schedule of Results by Segment (Details)
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995975 - Disclosure - Segment Information - Schedule of Results by Segment (Parenthetical) (Details)
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995985 - Disclosure - Segment Information - Schedule of Revenue By Major Products and Geographical Region (Details)
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995995 - Disclosure - Financial Instruments and Fair Value Measurement - Estimated Fair Values of Outstanding Debt (Details)
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996005 - Disclosure - Financial Instruments and Fair Value Measurement - Additional Information (Details)
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Schedule Of Related Party Transactions By Related Party [Table]
Related Party Transaction [Table]
Foreign Currency Translation Adjustments
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Proceeds From Government Grants
Proceeds From Government Grants
Proceeds from government grants
Scenario [Axis]
Debt
Debt Disclosure [Text Block]
US Dollar Borrowings Rate Option 1a
U S Dollar Borrowings Rate Option1a [Member]
US Dollar Borrowings Rate Option 1a
Long-Term Debt, Maturity, Year Three
2029
Antidilutive securities excluded from computation of basic earnings per share amount
Antidilutive Securities Excluded From Computation Of Basic Earnings Per Share Amount
Antidilutive securities excluded from computation of basic earnings per share amount.
Debt, variable basis spread
Debt Instrument, Basis Spread on Variable Rate
Commitments and Contingencies
Commitments and contingencies (Note 14)
Diluted, Weighted average number of common shares outstanding
Weighted Average Number of Shares Outstanding, Diluted
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total
Stock compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Minimum
Minimum [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total
Shares issued on grants of restricted shares (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures
Long-Term Debt, Maturity, Year Two
2028
Pension and other post-retirement benefit obligations
Liability, Defined Benefit Plan, Current
October 1, 2027 and thereafter
February 1, 2024
Debt Instrument, Redemption, Period Three [Member]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Total
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Income tax provision
Income tax provision
Inventory [Axis]
Ownership percentage in subsidiaries
Ownership Percentage In Subsidiaries
Ownership percentage in subsidiaries.
Investment, Name
Investment, Name [Axis]
Dividend payments
Payments of Ordinary Dividends, Common Stock
Maturity
Debt Instruments Maturity Year
Debt instrument maturity year.
Lumber [Member]
Lumber [Member]
Lumber
Common Stock, Shares, Issued
Common Stock, Shares, Issued
Segment Reporting Information [Line Items]
Segment Reporting [Line Items]
Income Tax Expense (Benefit), Total
Income Tax Expense (Benefit)
Income tax recovery
Income tax recovery
Income tax recovery
True-up of prior year taxes
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
RSUs
Restricted Stock Units (RSUs) [Member]
Non-taxable foreign subsidies
Income Tax Reconciliation Non Taxable Foreign Subsidies
Income tax reconciliation non taxable foreign subsidies.
Debt, Current
Debt, Current, Total
Current debt
Current debt
Operating Segments
Operating Segments [Member]
Line of Credit Facility, Maximum Borrowing Capacity
Total bonding capacity
Line of credit, maximum borrowing capacity
Subsequent Event Type
Subsequent Event Type [Domain]
Segment Reporting, Long-Lived Asset, Expenditure for Addition
Purchase of property, plant and equipment
Segment Reporting, Product and Service, Revenue, Description
Segment Reporting Information, Description of Products and Services
Inventory [Domain]
Long-term debt, net
Long-Term Debt and Lease Obligation
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Stock Issued During Period Value Deferred Stock Units
Stock issued during period value deferred stock units.
Shares issued on deferred stock units
Other
Payment for (Proceeds from) Other Investing Activity
Restricted Cash, Current
Restricted cash
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Total other expenses, net
Nonoperating Income (Expense)
Debt Instrument [Table]
Schedule of Long-Term Debt Instruments [Table]
Other
Product and Service, Other [Member]
Income Statement [Abstract]
Accumulated Other Comprehensive Loss
Comprehensive Income (Loss) Note [Text Block]
Shareholders' Equity
Shareholders' Equity and Share-Based Payments [Text Block]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Forfeited shares
Forfeited
Other Comprehensive Income (Loss), Net of Tax, Disposal of investment in joint venture.
Other Comprehensive Income (Loss), Net of Tax, Disposal of investment in joint venture
Disposal of investment in joint venture
Related and Nonrelated Parties [Domain]
Earnings Per Share, Basic, Total
Basic
Earnings Per Share, Basic
Net loss per common share, basic
Document Period End Date
Document Period End Date
Share-Based Compensation Arrangement by Share-Based Payment Award, Liability Instruments Other than Options, Nonvested, Number
Share-based compensation arrangement by share-based payment award, liability instruments other than options, nonvested, number
Outstanding - Beginning
Outstanding - Ending
Finite-Lived Intangible Assets, Net, Ending Balance
Finite-Lived Intangible Assets, Net, Beginning Balance
Finite-Lived Intangible Assets, Net, Total
Amortizable intangible assets, net
Intangible Asset, Finite-Lived, after Accumulated Amortization
Cost of sales, excluding depreciation and amortization
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization, Total
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization
Payments to Acquire Property, Plant, and Equipment, Total
Purchase of property, plant and equipment
Payments to Acquire Property, Plant, and Equipment
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Purchase Of Pulp From CPP [Member]
Purchase of pulp from CPP member.
Purchase of pulp from CPP
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]
Common Stock, Shares Authorized
Common Stock, Shares Authorized
Statement of Stockholders' Equity [Abstract]
Term deposit
Deposits Assets, Current
Prepaid expenses and other
Prepaid Expense and Other Assets, Current
Entity Address, Country
Entity Address, Country
Debt Instrument, Redemption, Period Five [Member]
February 1, 2026 and thereafter
Debt, interest rate
Debt Instrument, Interest Rate, Stated Percentage
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Supplemental cash flow disclosure:
Supplemental Cash Flow Elements [Abstract]
Assets
Total assets
Total assets
Assets
Title of 12(b) Security
Title of 12(b) Security
China
CHINA
Carrying value
End of period balance
Beginning of period balance
Goodwill, Total
Goodwill
Goodwill
German Joint R C F E U R 370.1 Million [Member]
German joint R C F E U R 370.1 million.
German Facility - EUR 370.1 Million
Shares outstanding
Outstanding - Beginning
Outstanding - Ending
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Antidilutive Securities, Name
Antidilutive Securities, Name [Domain]
Schedule of Net Benefit Costs
Schedule of Net Benefit Costs [Table Text Block]
Effective Income Tax Rate Reconciliation, Percent
Effective Income Tax Rate Reconciliation, Percent, Total
Effective income tax rate
Variable Rate
Variable Rate [Axis]
Cash paid for interest
Interest Paid, Excluding Capitalized Interest, Operating Activity
Commercial surety bonding capacity maximum limit
Commercial Surety Bonding Capacity Maximum Limit
Commercial surety bonding capacity maximum limit.
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Other comprehensive income (loss)
Schedule of Segment Reporting Information, by Segment
Segment Reporting [Table Text Block]
Liabilities associated with assets held for sale
Disposal Group, Including Discontinued Operation, Liabilities, Current
Disposal Group, Including Discontinued Operation, Liabilities, Current, Total
Segment Operating EBITDA
Net Income (Loss) Before Interest, Tax, Depreciation and Amortization and Impairments of Long-lived Assets
Net income (loss) before interest, tax, depreciation and amortization and impairments of long-lived assets.
Total of segments' Segment Operating EBITDA
Proceeds from (Repayments of) Lines of Credit
Proceeds from revolving credit facilities, net
Balance
Balance
Equity, Attributable to Parent
Total shareholders' equity (deficit)
Segment Reporting, Change in Measurement Methods
MPR - CPP
M P R C P P [Member]
MPRCPP.
Entity Address, Address Line Two
Entity Address, Address Line Two
Other long-term assets
Other Assets, Noncurrent
Income Taxes
Income Tax Disclosure [Text Block]
Net Income Per Common Share
Earnings Per Share [Text Block]
Net Loss Per Common Share
Number of reportable segments
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Nature of Operations and Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Solid Wood
Solid Wood [Member]
Solid Wood.
Long Term Debt
Long-Term Debt, Total
Long-Term Debt
Carrying value of senior notes, net of unamortized note issuance costs
Credit Facility [Axis]
Standby letters of credit facility CAD 20 million.
Standby Letters of Credit Facility C$20 Million
Standby Letters of Credit Facility CAD 20 Million [Member]
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Corporate and Other
Restricted Stock
Restricted Stock [Member]
Restricted Shares
Revolving credit facility
Revolving Credit Facility [Member]
Revolving Credit Facility
Vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Geographical
Geographical [Domain]
Schedule of Maturities of Long-Term Debt [Table Text Block]
Long-Term Principal Maturities of Debt
Statistical Measurement
Statistical Measurement [Axis]
US Dollar Borrowings Rate Option 1c
U S Dollar Borrowings Rate Option1c [Member]
US Dollar Borrowings Rate Option 1c
Entity Interactive Data Current
Entity Interactive Data Current
Interest rate margin subject to upward or downward adjustments
Interest Rate Margin Subject To Upward Or Downward Adjustments
Interest rate margin subject to upward or downward adjustments.
Annual effective tax rate adjustment
Income Tax Reconciliation Annual Effective Tax Rate Adjustment
Income tax reconciliation annual effective tax rate adjustment.
Defined Benefit Pension and Other Post-Retirement Benefit Items
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Other, net
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Other, net
Common Stock, Value, Issued
Common shares $1 par value; 200,000,000 authorized; 67,018,000 issued and outstanding (2025 - 66,983,000)
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Reconciliation of Basic and Diluted Net Loss Per Common Share
Inventory [Line Items]
Taxes Payable, Current, Total
Income tax payable
Taxes Payable, Current
Total liabilities
Liabilities
Stockholders' equity.
Stockholders Equity [Table]
Stockholders Equity [Table]
Senior notes
Senior Notes [Member]
Senior Notes
Other Noncash Income (Expense), Total
Other
Other Noncash Income (Expense)
Product and Service
Product and Service [Axis]
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit)
Accumulated deficit
Fair Value, Significant unobservable inputs (Level 3)
Fair Value, Inputs, Level 3 [Member]
Other income (expenses)
Other Nonoperating Income (Expense) [Abstract]
Debt, amount of debt supporting bank guarantees
Debt Instrument Amount Of Debt Supporting Bank Guarantees
The amount of the credit facility supporting bank guarantees.
Ownership percentage
Equity Method Investment, Ownership Percentage
Dividends declared per common share
Dividends declared per common share
Common Stock, Dividends, Per Share, Declared
Restricted Stock And Deferred Stock Units [Member]
Restricted Stock And Deferred Stock Units [Member]
Restricted Shares and DSUs
Fair Value By Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
The Company, Going Concern, and Summary of Significant Accounting Policies
Debt, waiver variable basis spread
Debt Instrument Basis Spread On Waiver Variable Rate
Debt instrument basis spread on waiver variable rate.
Changes in working capital
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Net Income Loss Per Share Attributable To Common Shareholders Basic And Diluted [Table]
Net Income Loss Per Share Attributable To Common Shareholders Basic And Diluted [Table]
Net Income Loss Per Share Attributable To Common Shareholders [Table]
Deferred Income Tax Liabilities, Net
Deferred income tax liabilities
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
Variable Rate
Variable Rate [Domain]
Restricted cash
Restricted Cash
Restricted Cash, Total
Related Party Transactions [Abstract]
Thereafter
Long Term Debt Maturities Repayments Of Principal After Year Four
Long term debt maturities repayments of principal after year four.
2028 Senior Notes
Two Thousand Twenty Eight Senior Notes [Member]
Two Thousand Twenty Eight Senior Notes.
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Service cost
Defined Benefit Plan, Service Cost
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Axis]
Schedule Of Defined Benefit Plans Disclosures [Table]
Defined Benefit Plan [Table]
Inventory, Current [Table]
Stockholders' equity.
Stockholders Equity [Line Items]
Stockholders Equity [Line Items]
Line of credit facility, remaining borrowing capacity
Line of Credit Facility, Remaining Borrowing Capacity
Tax benefit of partnership structure
Income Tax Reconciliation Tax Benefit Of Partnership Structure
Income tax reconciliation tax benefit of partnership structure.
Operating lease liability
Operating Lease, Liability, Current
Manufactured Products [Member]
Manufactured Products.
Manufactured Products
Debt Instrument, Fee Amount
Debt instrument fee amount
Outstanding - Beginning
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Outstanding - Ending
Total liabilities and shareholders’ equity
Liabilities and Equity
Debt, description of variable basis spread
Debt Instrument, Description of Variable Rate Basis
Document Fiscal Period Focus
Document Fiscal Period Focus
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash
Energy Service [Member]
Energy
Short-Term Debt, Total
Canadian joint revolving credit facility
Joint revolving credit facility
Revolving credit facility
Components of Inventories
Schedule of Inventory, Current [Table Text Block]
Shares vested but not settled
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested But Not Settled
Share based compensation arrangement by share based payment award equity instruments other than options vested but not settled.
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
MPR - logging JV
M P Rlogging J V [Member]
MPR - logging JV [Member]
Cost, Depreciation and Amortization, Total
Cost of sales depreciation and amortization
Cost, Depreciation and Amortization
Performance Shares
Performance Shares [Member]
Costs and expenses
Costs and Expenses [Abstract]
Line of credit, current borrowing capacity
Line of Credit Facility, Current Borrowing Capacity
Line of credit, letters of credit outstanding, amount
Letters of Credit Outstanding, Amount
Cash paid for income taxes
Income Tax Paid, before Refund Received
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Net decrease in cash, cash equivalents and restricted cash
Entity Current Reporting Status
Entity Current Reporting Status
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Fair Value, Quoted Prices In Active Markets For Identical Assets (Level 1)
Fair Value, Inputs, Level 1 [Member]
Accounts Payable, Current
Related party payable balance
Anti-Dilutive Instruments Excluded from Calculation of Net Loss Per Common Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Document Transition Report
Document Transition Report
Commitments and Contingencies Disclosure [Abstract]
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Increase (Decrease) in Inventories, Total
Inventories
Increase (Decrease) in Inventories
February 1, 2025
Debt Instrument, Redemption, Period Four [Member]
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]
Segment Excluding Corporate
Current liabilities
Liabilities, Current [Abstract]
Shares issued on deferred stock units (in shares)
Stock Issued During Period Shares Deferred Stock Units
Stock issued during period shares deferred stock units.
Labor [Member]
Labor
Labor member.
Deferred Stock Units Member
Deferred stock units.
Cash Only DSUs
Common Shares
Common Stock [Member]
Finished goods inventory.
Finished goods inventory
Finished Goods Inventory [Member]
Raw Materials Inventory
Finished goods
Inventory, Finished Goods, Net of Reserves
Retirement Plan Type
Retirement Plan Type [Axis]
Credit Facility [Domain]
Statistical Measurement
Statistical Measurement [Domain]
Shareholders’ equity
Equity, Attributable to Parent [Abstract]
Weighted Average Number of Shares Outstanding, Basic, Total
Basic, Weighted average number of common shares outstanding
Weighted Average Number of Shares Outstanding, Basic
Inventory, Net [Abstract]
ASSETS
Assets [Abstract]
Accounts payable and other
Accounts payable and other
Accounts Payable and Accrued Liabilities, Current
Entity Central Index Key
Entity Central Index Key
Antidilutive Securities
Antidilutive Securities [Axis]
Consolidation Items
Consolidation Items [Axis]
Current Fiscal Year End Date
Current Fiscal Year End Date
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Document Quarterly Report
Document Quarterly Report
Debt, maturity date
Debt Instrument, Maturity Date
Rosenthal Credit Facility - EUR 2.6 Million
Rosenthal Credit Facility E U R26 Million [Member]
Rosenthal Credit Facility - EUR 2.6 Million [Member]
Wood Residuals.
Wood Residuals [Member]
Wood Residuals
Long-Term Debt, Maturity, Remainder of Fiscal Year
2025
Fair Value, Significant Other Observable Inputs (Level 2)
Fair Value, Inputs, Level 2 [Member]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash used in operating activities
Net cash used in operating activities
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Earnings Per Share, Diluted, Total
Diluted
Earnings Per Share, Diluted
Net loss per common share, diluted
Net loss
Net loss
Net loss - basic and diluted
Segment Reporting, Factor Identifying Reportable Segment, Description
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Gain (Loss) on Sale of Assets and Asset Impairment Charges
Loss on disposal of investment in joint venture
Non-cash loss
Loss on disposal of investment in joint venture
Non-cash loss
Going Concern
Substantial Doubt about Going Concern [Text Block]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Other comprehensive income (loss), net of tax
Other comprehensive income (loss)
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Income tax recovery using U.S. Federal statutory rate on loss before income taxes
Property insurance proceeds
Proceeds from property insurance
Proceeds From Property Insurance
Proceeds from property insurance.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Total comprehensive income (loss)
Scenario [Domain]
Debt Instrument, Fair Value Disclosure, Total
Debt Instrument, Fair Value Disclosure
Debt Instrument, Fair Value Disclosure
Equity Components
Equity Components [Axis]
Cash flows from (used in) investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Chemicals
Chemicals [Member]
Chemicals member.
Equity Deferred Stock Units.
Equity Deferred Stock Units [Member]
Equity DSUs
Statement of Cash Flows [Abstract]
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Domain]
Income Tax Disclosure [Abstract]
Schedule of Accounts Payable and Other
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Retirement Benefits [Abstract]
5.125% Senior Notes
Five Point One Two Five Percent Senior Notes [Member]
Five point one two five percent senior notes.
Increase (Decrease) in Prepaid Expense and Other Assets
Prepaid expenses and other
Estimated Fair Values of the Outstanding Debt
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Financial Instruments and Fair Value Measurement
Fair Value Disclosures [Text Block]
Maintenance [Member]
Maintenance
Depreciation and amortization
Depreciation, Depletion and Amortization, Total
Depreciation, Depletion and Amortization
Segment depreciation and amortization
Cargo and Freight [Member]
Freight
Commercial Surety Bond Facility [Member]
Commercial surety bond facility member
Commercial surety bond facility
Segment Reporting, Other Segment Item, Composition, Description
PLWD Wood Purchasing [Member]
PLWD wood purchasing.
PLWD - Wood Purchasing
Antidilutive securities excluded from computation of earnings per common share
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Common shares available for grant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
OCI, before Reclassifications, Net of Tax, Attributable to Parent
Other comprehensive income (loss) before reclassifications
Deferred Income Tax Assets, Net
Deferred income tax assets
Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total
Accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Debt Instrument, Redemption Price, Percentage
Debt Instrument, Redemption Price, Percentage
Inventory, Net
Inventories
Inventories
Accrued Liabilities, Current, Total
Accrued expenses
Accrued Liabilities, Current
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Foreign exchange on settlement of debt
Income Tax Reconciliation Effect Of Foreign Exchange On Settlement Of Debt
Income tax reconciliation effect of foreign exchange on settlement of debt.
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Document Type
Document Type
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Cash flows from (used in) operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Number Of Pulp Mills
Number of pulp mills
The number of operating pulp mills owned by the entity.
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Stock Options
Subsequent Event
Subsequent Event [Member]
Operating income (loss)
Operating Income (Loss)
Operating loss
Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total
Other
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Biofuels [Member]
Biofuels.
Biofuels
Schedule of Change in Accumulated Other Comprehensive Loss by Components
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Dividends declared
Amount
Dividends, Common Stock, Cash
Dividends, Common Stock, Cash
Schedule Of Segment Reporting Information By Segment [Table]
Segment Reporting [Table]
Entity File Number
Securities Act File Number
Amortization of unrecognized items
Defined Benefit Plan, Amortization of Gain (Loss)
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total
Shares issued on grants of restricted shares
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
Retirement Plan Type [Domain]
Retirement Plan Type
Long-term debt and finance lease obligations, gross
Long Term Debt And Capital Lease Obligations Gross
Long term debt and capital lease obligations gross.
Retained Earnings [Member]
Retained Earnings (Accumulated Deficit)
Other
Proceeds from (Payment for) Other Financing Activity
Performance Share Units
Performance Share Units [Member]
Performance share units.
Interest payable
Interest Payable, Current
Entity Registrant Name
Entity Registrant Name
US Dollar Borrowings Rate Option 1b
U S Dollar Borrowings Rate Option1b [Member]
US Dollar Borrowings Rate Option 1b
Current Income Tax Expense (Benefit), Total
Current Income Tax Expense (Benefit)
Current income tax recovery (provision)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Tax differential on foreign loss
Accounting Policies [Abstract]
Unvested Equity DSUs
Unvested Equity Deferred Stock Units [Member]
Unvested equity deferred stock units.
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax, Total
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Loss related to defined benefit pension plans
Selling, General and Administrative Expense, Total
Selling, general and administrative expenses
Selling, General and Administrative Expense
Proceeds from issuance of senior notes
Proceeds from Issuance of Debt
Defined contribution plan, employer discretionary contribution amount
Defined Contribution Plan, Employer Discretionary Contribution Amount
Intersegment Eliminations
Intersegment Eliminations [Member]
Entity Address, Address Line One
Entity Address, Address Line One
Accounts Payable and Other
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
Other Receivables
Related party receivable balance
Summary of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
United States
UNITED STATES
Raw materials
Inventory, Raw Materials, Net of Reserves
Peace River Credit Facility - C$60 Million
Peace River Credit Facility C60 Million [Member]
Peace river credit facility C60 million.
Other Receivable, after Allowance for Credit Loss, Related Party, Type [Extensible Enumeration]
Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration]
Total current assets
Assets, Current
Current assets
Net benefit costs (gains)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Segments
Segments [Axis]
Senior Notes and Credit Arrangements
Long-Term Debt, Fiscal Year Maturity [Abstract]
Supplemental schedule of non-cash investing and financing activities:
Supplemental Cash Flow Information [Abstract]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Deferred Income Tax Expense (Benefit), Total
Deferred Income Tax Expense (Benefit)
Deferred income tax recovery
Deferred income tax recovery
Debt Instrument, Covenant Compliance
Debt instrument, covenant compliance and waiver, description
Entity Small Business
Entity Small Business
Long-Term Debt, Excluding Current Maturities, Total
Long-term Debt
Long-term debt
Long-Term Debt, Excluding Current Maturities
Pension Plan
Pension Plan [Member]
Energy and chemicals [Member]
Energyandchemicals [Member]
Energy and Chemicals
Investment, Name
Investment, Name [Domain]
Accounts receivable
Increase (Decrease) in Accounts and Other Receivables
German joint revolving credit facility.
German Joint Revolving Credit Facility
German Revolving Credit Facility
German Facility
Leased production and other equipment
Lease Obligation Incurred
Long-Term Debt, Type
Long-Term Debt, Type [Axis]
Accounts Receivable, after Allowance for Credit Loss, Current, Total
Accounts receivable
Accounts receivable, net
Accounts Receivable, after Allowance for Credit Loss, Current
Consolidation Items
Consolidation Items [Domain]
Debt Instrument Waiver Calculation Date
Debt instrument waiver calculation date.
Debt instrument waiver calculation date
Employee-related Liabilities, Current, Total
Payroll-related accruals
Employee-related Liabilities, Current
Schedule of Debt
Schedule of Long-Term Debt Instruments [Table Text Block]
Income Tax Reconciliation Non Taxable Portion of Capital Gain
Income Tax Reconciliation Non Taxable Portion of Capital Gain
Non-taxable portion of capital gain
Foreign Countries
Foreign Countries [Member]
Foreign countries.
Earnings Per Share [Abstract]
Net loss per common share
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
Summary of Share Activity
Change in tax rate
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount
Change in tax rate
Subsequent Event Type [Axis]
Subsequent Event Type
Equity [Abstract]
Product and Service
Product and Service [Domain]
Canadian Dollar Borrowings Rate Option 2
Canadian Dollar Borrowings Rate Option2 [Member]
The interest rate for Canadian dollar borrowings.
Cash flows from (used in) financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
German Joint RCF - EUR 300 Million
German Joint R C F E U R300 Million Member
German joint r c f e u r300 million.
Segment Reporting, Measurement for Transactions Between Reportable Segments
Segment Reporting, Measurement for Transactions Between Reportable Segments
Pulp [Member]
Pulp [Member]
Pulp
Entity Tax Identification Number
Entity Tax Identification Number
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total
Investment in joint ventures
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Goodwill impairment
Goodwill impairment
Goodwill, Impairment Loss
Equity Component
Equity Component [Domain]
Amounts reclassified
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent
Entity Address, City or Town
Entity Address, City or Town
Celgar Credit Facility - C$60.0 Million
Credit Agreement For Celgar Mill [Member]
Credit agreement for Celgar mill.
Purchase of term deposit
Payments to Acquire Short-Term Investments
Long-Term Debt, Maturity, Year One
2027
Net Income Per Common Share Basic And Diluted [Line Items]
Net Income Per Share Attributable To Common Shareholders Basic And Diluted [Line Items]
Net Income Per Share Attributable To Common Shareholders Basic And Diluted [Line Items]
Segments
Segments [Domain]
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Inventory write-down
Inventory Write-down
Inventory impairment
Debt Instrument Covenant Compliance Waiver Period
Debt instrument covenant compliance waiver period.
Debt instrument, covenant compliance waiver period
Entity [Domain]
All Entities
Canadian joint RCF C160 million.
Canadian Joint R C F C160 Million [Member]
Canadian Facility - C$160 Million
Antidilutive Security, Excluded EPS Calculation [Table]
Contract with Customer, Liability, Current
Deposits for mass timber sales contracts
Pension Cost (Reversal of Cost)
Defined benefit pension plans and other post-retirement benefit plan expense (income)
Statement [Table]
Statement [Table]
Debt Instrument Covenant Breach Description
Debt instrument covenant breach description.
Debt instrument, covenant breach, description
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Loss before income taxes
Consolidated loss before income taxes
Entity Shell Company
Entity Shell Company
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Net cash used in investing activities
Liability, Defined Benefit Plan, Noncurrent, Total
Pension and other post-retirement benefit obligations
Liability, Defined Benefit Plan, Noncurrent
Statement [Line Items]
Statement [Line Items]
Vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Maximum
Maximum [Member]
Valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Debt Instrument Basis Leverage Ratio
Debt instrument basis leverage ratio.
Debt instrument, leverage ratio
Debt Disclosure [Abstract]
US Dollar Borrowings Rate Option 2
U S Dollar Borrowings Rate Option2 [Member]
The interest rate for US dollar borrowings.
Liquidity and Debt Covenants [PolicyText Block]
Liquidity and debt covenants.
Liquidity and Debt Covenants
Other Countries [Member]
Other Countries [Member]
Other Countries
Less: unamortized senior note issuance costs
Debt Issuance Costs, Gross
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
U.S. Federal statutory rate
Wastewater fee
Wastewater Fee Current
Wastewater fee current.
Debt Instrument, Redemption, Period
Debt Instrument, Redemption, Period [Domain]
Related party transaction, purchases from related party
Related Party Transaction, Purchases from Related Party
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract]
Adjustments to reconcile net loss to cash flows from operating activities
Share Based Compensation Arrangement By Share Based Payments Award Liability Instruments Other Than Options Vested InPeriod
Share based compensation arrangement by share based payments award liability instruments other than options vested in period.
Vested
Current assets
Assets, Current [Abstract]
Finance lease liability
Finance Lease, Liability, Current
Finance lease liability
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax, Total
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Loss related to defined benefit pension plans, net of tax
West Fraser Mills Ltd [Member]
West Fraser Mills Ltd [Member]
West Fraser
Document Fiscal Year Focus
Document Fiscal Year Focus
Common Stock, Shares, Outstanding
Balance (in shares)
Balance (in shares)
Common Stock, Shares, Outstanding
Statement of Comprehensive Income [Abstract]
Accounts Payable, Trade, Current
Trade payables
Related Party [Member]
Related Party
Forecast [Member]
Forecast
Operating lease liabilities
Operating Lease, Liability, Noncurrent
Revenues recognized
Contract with Customer, Liability, Revenue Recognized
Additional paid-in capital
Additional Paid in Capital, Common Stock
Security Exchange Name
Security Exchange Name
Related and Nonrelated Parties [Axis]
Finance Lease Liability
Finance Lease Obligations [Member]
Finance lease obligations.
New Accounting Pronouncements, Policy [Policy Text Block]
Accounting Pronouncements to be Adopted
October 1, 2026
January 15, 2023 and thereafter
Debt Instrument, Redemption, Period Two [Member]
Disposal Group, Including Discontinued Operation, Assets, Current, Total
Disposal Group, Including Discontinued Operation, Assets, Current
Assets classified as held for sale
Entity Address, State or Province
Entity Address, State or Province
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Amendment Flag
Amendment Flag
2029 Senior Notes
Two Thousand Twenty Nine Senior Notes [Member]
Two thousand twenty nine senior notes.
Acquisition, net of cash acquired
Payments to acquire asset for cash
Payments to Acquire Assets, Investing Activities
Interest Expense, Debt, Total
Interest expense
Interest Expense, Debt
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Debt Instrument [Axis]
Debt Instrument
Other Nonoperating Income (Expense), Total
Other income (expenses)
Other expenses
Other income (expenses)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Cash, cash equivalents and restricted cash, end of period
Cash, cash equivalents and restricted cash, beginning of period
Cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash
Canadian Dollar Borrowings Rate Option 1
Canadian Dollar Borrowings Rate Option1 [Member]
The interest rate for Canadian dollar borrowing.
City Area Code
City Area Code
Debt Redemption Period for Outstanding Senior Notes
Debt Instrument Redemption [Table Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Less segment expenses:
Operating Expenses [Abstract]
Inventories
Inventory Disclosure [Text Block]
Granted
Share-based Compensation Arrangement By Share-based Payments Award,Liability Instruments Other Than Options, Grants In Period
Share-based compensation arrangement by share-based payments award,liability instruments other than options, grants in period
Debt Instrument, Redemption, Period
Debt Instrument, Redemption, Period [Axis]
Pension and Other Post-Retirement Benefit Obligations
Retirement Benefits [Text Block]
Common Stock, Par or Stated Value Per Share
Common Stock, Par or Stated Value Per Share
Legal Entity [Axis]
Legal Entity:
Legal Entity
Senior Notes, redemption notice days
Senior Note Redemption Notice Period
Senior note redemption notice period.
Total current liabilities
Liabilities, Current
Current liabilities
Summary of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Segment Information
Segment Reporting [Text Block]
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax
Foreign exchange transaction losses (gains)
Long-Term Debt, Maturity, Year Four
2030
Trading Symbol
Trading Symbol
Geographical
Geographical [Axis]
Other
Accounts Payable, Other, Current
Segment Expenses
Segment expenses.
Segment Expenses
Pension asset
Assets for Plan Benefits, Defined Benefit Plan
Granted
Shares granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Entity Emerging Growth Company
Entity Emerging Growth Company
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Long-term Debt
Total payments
Long-Term Debt, Gross
Other long-term liabilities
Other Liabilities, Noncurrent
Cover [Abstract]
Cover
Interest cost
Defined Benefit Plan, Interest Cost
Spare parts and other
Other Inventory, Net of Reserves
Raw materials inventory
Inventory raw materials.
Inventory Raw Materials [Member]
Raw Materials Inventory
Long-Term Debt, Type
Long-Term Debt, Type [Domain]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Share-Based Payment Arrangement, Noncash Expense, Total
Stock compensation expense
Share-Based Payment Arrangement, Noncash Expense
Pallets [Member]
Pallets.
Pallets
Share Based Compensation Arrangement by Share Based Payments Award Liability Instruments Other than Options [Abstract]
Share based compensation arrangement by share based payments award liability instruments other than options.
Market Pulp
Market Pulp [Member]
Market Pulp [Member]
Effect of foreign earnings
Income Tax Reconciliation Effect Of Foreign Earnings
Income tax reconciliation effect of foreign earnings.
Fair Value Disclosures [Abstract]
Cash and Cash Equivalents, at Carrying Value, Total
Cash and cash equivalents
Cash and Cash Equivalent
Payment of debt issuance costs
Payments of Debt Issuance Costs
Additional Financial Information Disclosure [Text Block]
Supplemental Financial Statement Information
Accumulated Other Comprehensive Income Loss [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Net cash from (used in) financing activities
October 1, 2025
January 15, 2022
Debt Instrument, Redemption, Period One [Member]
Canadian Joint Revolving Credit Facility
Canadian joint revolving credit facility [Member]
Canadian joint revolving credit facility.
Canadian Facility
Payables and Accruals [Abstract]
Multiemployer Plan, Employer Contribution, Cost, Total
Multiemployer plan, contributions by employer
Multiemployer Plan, Employer Contribution, Cost
Deposit Assets, Total
Term deposit
Deposit Assets
Fiber [Member]
Fiber member.
Fiber
Entity Filer Category
Entity Filer Category
Debt Instrument, Name
Debt Instrument, Name [Domain]
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Debt Instrument Waiver Date
Debt instrument waiver date.
Debt instrument, waiver date
Germany
GERMANY
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Carrying value
Property, Plant and Equipment, Net, Total
Property, plant and equipment, net
Total revenues
Revenues
Revenue from Contract with Customer, Excluding Assessed Tax
Non-deductible goodwill impairment
Non-deductible goodwill impairment
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount
Other Postretirement Benefits Plan
Other Postretirement Benefits Plan [Member]
2026 Senior Notes
A2026 Senior Notes [Member]
2026 Senior Notes [Member]
Accounts Payable, Current, Related Party [Extensible Enumeration]
Segment Reporting [Abstract]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Reconciliation of Effective Income Tax Rate
5.500% Senior Notes
Five Point Five Zero Percent Senior Notes [Member]
Five point five zero percent senior notes.
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Statement of Financial Position [Abstract]
Payment of finance lease obligations
Finance Lease, Principal Payments
Local Phone Number
Local Phone Number