Adjustments to net income: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Repayment of long-term debt, including call premium Repayments of Long-Term Debt Other Other Nonoperating Income Product Liability Contingency [Table] Product Liability Contingency [Table] Net increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Trading Symbol Trading Symbol Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Other reserves Hardboard Siding Reserves [Member] Hardboard Siding Reserves [Member] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest All Trading Arrangements All Trading Arrangements [Member] Long-term Debt and Lease Obligation Long-Term Debt and Lease Obligation Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Non-NEOs Non-NEOs [Member] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Cash paid for income taxes, net Income Taxes Paid, Net Timber and timberlands Timber And Timber Licenses Timberland Intangible and Tangible Assets Allowance for doubtful accounts Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Disposal Group Name [Domain] Disposal Group Name [Domain] Pay vs Performance Disclosure [Line Items] Asset Impairment Charges [Abstract] Asset Impairment Charges [Abstract] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Nature of Operations and Basis for Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Goodwill and other intangible assets Intangible Assets, Net (Including Goodwill) Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Fair Value Disclosures [Text Block] Fair Value Disclosures [Text Block] Restructuring and Related Activities [Abstract] Award Timing Disclosures [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Commitments and Contingencies Legal Matters and Contingencies [Text Block] Goodwill [Line Items] Goodwill [Line Items] Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding Income taxes payable, net of receivables Increase (Decrease) in Income Taxes Operating Lease liability, noncurrent Operating Lease, Liability, Noncurrent Payment of cash dividend Payment of dividends Payment of cash dividends Other assets Other Assets, Noncurrent Entity Tax Identification Number Entity Tax Identification Number OSB OSB Segment [Member] OSB [Member] Receivables Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Operating Segments Operating Segments [Member] Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Treasury Stock, Common Treasury Stock, Common [Member] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Prepaid expenses and other current assets Prepaid Expense, Current Income tax receivable Income Taxes Receivable Equity Components [Axis] Equity Components [Axis] Equity Components [Axis] Award Timing Method Award Timing Method [Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Insider Trading Policies and Procedures [Line Items] Adjustment to Compensation, Amount Adjustment to Compensation Amount Additional paid-in capital Additional Paid in Capital, Common Stock Compensation Amount Outstanding Recovery Compensation Amount Average shares of common stock used to compute net income (loss) per share: Earnings Per Share, Diluted [Abstract] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Entity Small Business Entity Small Business Developed Technology Developed Technology Rights [Member] Operating Segments, Number Of Operating Plants Operating Segments, Number Of Operating Plants Operating Segments, Number Of Operating Plants Common stock, Value, Shares acquired Common stock, Value, Shares acquired Common stock, Value, Shares acquired Company Selected Measure Amount Company Selected Measure Amount Schedule of Business Exit Charges Restructuring and Related Costs [Table Text Block] Tabular List, Table Tabular List [Table Text Block] Current portion (included in Accounts payable and accrued liabilities) Loss Contingency, Accrual, Current Receivables, net of allowance for doubtful accounts of $2 as of June 30, 2024 and December 31, 2023 Receivables, Net, Current Stock repurchased during period Stock Repurchased During Period, Value Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Product type [Axis] Product type [Axis] Product type [Axis] Loss Contingency Accrual Loss Contingency Accrual Other Operating and Non-Operating Income Other Operating Income and Expense [Text Block] Credit Facility [Domain] Credit Facility [Domain] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Goodwill and other intangible assets Goodwill Consolidation Items [Axis] Consolidation Items [Axis] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Income from continuing operations attributed to LP Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Inventories Inventory Disclosure [Text Block] Payments made Standard and Extended Product Warranty Accrual, Decrease for Payments Treasury Stock, Shares Treasury Stock, Common, Shares Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Entity Information [Line Items] Entity Information [Line Items] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Other financing activities Proceeds from (Payments for) Other Financing Activities Comprehensive income (loss) attributed to LP Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accrued Income Taxes, Current Accrued Income Taxes, Current Security Exchange Name Security Exchange Name Award Type Award Type [Axis] Net income (loss) attributed to LP per share of common stock: Earnings Per Share, Basic [Abstract] Acquisition of facility assets Payments to Acquire Other Productive Assets Semi-finished inventory Inventory, Work in Process, Net of Reserves Property, plant, and equipment, net Property, Plant and Equipment, Net Impairments of Long-Lived Assets Asset Impairment Charges [Text Block] Liabilities Liabilities Dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Timber and Timberlands Timber and Timberlands Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Expiration Date Trading Arrangement Expiration Date CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Siding Solutions SmartSide Strand siding [Member] SmartSide Strand siding [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total Shareholder Return Amount Total Shareholder Return Amount Common Stock, Shares, Issued Common Stock, Shares, Issued Commodity Commodity Products [Member] Commodity Products Logs Logs Logs Entity [Domain] Entity [Domain] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Business exit charges and credits Business exit charges Restructuring Costs and Asset Impairment Charges Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Timber Licenses Productive Land [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Common Stock, Shares Authorized Common Stock, Shares Authorized Impairment of goodwill and long-lived assets Goodwill and Intangible Asset Impairment Diluted (in shares) Shares used for diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Total stockholders' equity Total stockholders' equity Equity, Attributable to Parent Treasury stock, 16 shares at cost as of June 30, 2024 and December 31, 2023 Treasury Stock, amount Treasury Stock, Value Deferred taxes Deferred Income Tax Expense (Benefit) Loss due to settlement Loss due to settlement Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Adjusted EBITDA Adjusted EBITDA Adjusted EBITDA Selling, general, and administrative expenses Selling, General and Administrative Expense Common stock, Shares acquired Common stock, Shares acquired Common stock, Shares acquired Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total Accounts Receivable, after Allowance for Credit Loss, Current Loss on impairment Impairment of property, plant and equipment, operating lease assets, and other intangible assets Asset Impairment Charges Carrying value of long term debt Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Document Fiscal Period Focus Document Fiscal Period Focus All Executive Categories All Executive Categories [Member] Dilutive effect of employee stock plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Trade receivables Accounts Receivable, before Allowance for Credit Loss, Current Other AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] ASSETS Assets [Abstract] Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Document Type Document Type Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Investments in and advances to affiliates Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Product type [Domain] Product type [Domain] [Domain] for Product type [Axis] Gain on sale of assets from an equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal Subsequent Event [Table] Subsequent Event [Table] Amortization of Intangible Assets Amortization of Intangible Assets Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Legal settlement Gain (Loss) from Litigation Settlement Net loss attributed to non-controlling interest Net loss attributed to non-controlling interest Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Current Fiscal Year End Date Current Fiscal Year End Date PEO Name PEO Name Senior unsecured notes, maturing 2029 Senior unsecured notes, maturing 2029 [Member] Senior unsecured notes, maturing 2029 Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest All Award Types Award Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Name Outstanding Recovery, Individual Name Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Schedule of Intangible Assets and Goodwill Schedule of Intangible Assets and Goodwill [Table Text Block] Non-PEO NEO Non-PEO NEO [Member] Other operating income (expense) exclusive of product discontinuance charges Other operating income (expense) exclusive of product discontinuance charges Other operating income (expense) exclusive of product discontinuance charges Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Net income per share, diluted (in dollars per share) Earnings Per Share, Diluted Other non-operating items Other Nonoperating Income Expense, Net of Debt Extinguishment Other Nonoperating Income Expense, Net of Debt Extinguishment Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Number of Operating Segments Number of Operating Segments Foreign currency remeasurement and transaction (gain) loss Gain (Loss), Foreign Currency Transaction, before Tax Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Current portion of warranty reserves Product Warranty Accrual, Current Receivables Increase (Decrease) in Receivables Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Non-operating income (expense): Nonoperating Income (Expense) [Abstract] Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Other Other Product Types [Member] Other Product Types Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Inventory write-down Inventory Write-down Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Income from operations Operating Income (Loss) Interest Expense Interest Expense Interest Expense, Operating and Nonoperating Total liabilities and stockholders' equity Liabilities and Equity Other adjustments, net Other Operating Activities, Cash Flow Statement Subsequent Events Subsequent Events [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Schedule of Other Nonoperating Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Reorganization charges Restructuring Charges Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Dividends paid Payments of Dividends Legal Entity [Axis] Legal Entity [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Other Other Expenses, Net Other Expenses, Net Underlying Security Market Price Change Underlying Security Market Price Change, Percent Individual: Individual [Axis] Common Stock, Amount, Outstanding Common Stock, Value, Outstanding Common Stock, Value, Outstanding AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Inventories Total Inventory, Net Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Product and Service [Axis] Product and Service [Axis] Entity Address, State or Province Entity Address, State or Province Statement [Line Items] Statement [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Restatement Determination Date Restatement Determination Date Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Product Liability Contingency [Line Items] Product Liability Contingency [Line Items] OSB - Structural Solutions OSB - value-add [Member] OSB - value-add [Member] Operating lease assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Segments [Axis] Segments [Axis] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Long-term debt, gross Long-Term Debt, Gross Exercise Price Award Exercise Price Document And Entity Information Document And Entity Information Document And Entity Information [Abstract] Earnings per Share Earnings Per Share [Text Block] Business Exit Charges and Credits Restructuring, Impairment, and Other Activities Disclosure [Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event Subsequent Event [Member] Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Text Block] Letter of Credit Sub-limit Letter of Credit Sub-limit [Member] Letter of Credit Sub-limit Stockholders' equity: Equity, Attributable to Parent [Abstract] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segments [Domain] Segments [Domain] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Environmental reserves SEC Schedule, 12-09, Reserve, Environmental Cost [Member] All Individuals All Individuals [Member] Depreciation and amortization Other Depreciation and Amortization PEO PEO [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Entities [Table] Entities [Table] Name Trading Arrangement, Individual Name Other non-operating items Other non-operating items Other Nonoperating Income (Expense) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Receivables [Abstract] Receivables [Abstract] Other products Other products [Member] Other products [Member] Disposal Group Name [Axis] Disposal Group Name [Axis] Product Warranties Commitments Contingencies and Guarantees [Text Block] Siding Siding Segment [Member] Siding [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Other Other Operating Segment [Member] Investment income Investment income Investment Income, Nonoperating Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Schedule of Loss Contingencies by Contingency Schedule of Loss Contingencies by Contingency [Table Text Block] Disaggregation of Revenue [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Deferred Income Tax Liabilities, Net Deferred Income Tax Liabilities, Net Stock repurchased during period (in shares) Stock Repurchased During Period, Shares Value-add Value-add [Member] Value-added [Member] PEO Total Compensation Amount PEO Total Compensation Amount Common Stock [Member] Common Stock [Member] Measure: Measure [Axis] Issuance of shares under stock plans, amount Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Line of Credit Line of Credit [Member] Entity Emerging Growth Company Entity Emerging Growth Company Segment Reporting [Abstract] Segment Reporting [Abstract] Taxes paid related to net settlement of stock-based awards Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Entity Central Index Key Entity Central Index Key Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] OSB - commodity OSB - commodity [Member] OSB - commodity [Member] Other expenses including personnel-related costs such as severance Other Restructuring Costs Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Stock-based compensation expense Other Selling, General and Administrative Expense Accrued to expense Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component [Domain] Equity Component [Domain] Selected Segment Data Segment Reporting Disclosure [Text Block] Other receivables Other Receivables, Gross, Current Long-term portion of warranty reserves Product Warranty Accrual, Noncurrent Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Compensation expense associated with stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title Trading Arrangement, Individual Title Long-term portion Loss Contingency, Accrual, Noncurrent Statement [Table] Statement [Table] Comprehensive loss associated with non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Consolidation Items [Domain] Consolidation Items [Domain] City Area Code City Area Code Cash paid for interest, net Interest Paid, Excluding Capitalized Interest, Operating Activities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Repurchase of common stock Payments for Repurchase of Common Stock Corporate Segment [Member] Corporate - Unallocated [Member] Corporate - Unallocated Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Income Taxes Income Tax Disclosure [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Other raw materials Inventory, Raw Materials, Net of Reserves Retained earnings Retained Earnings (Accumulated Deficit) Inventories Increase (Decrease) in Inventories Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Credit Facility [Axis] Credit Facility [Axis] Amendment Flag Amendment Flag Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Debt, fair value Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Depreciation and amortization Depreciation, Depletion and Amortization Gross Profit Gross Profit Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Subsequent Events [Abstract] Subsequent Events [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Beginning Balance Total warranty reserves Standard and Extended Product Warranty Accrual Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Common stock, $1 par value, 200 shares authorized; 87 and 71 shares issued and outstanding, respectively, as of June 30, 2024; and 88 and 72 shares issued and outstanding, respectively, as of December 31, 2023 Common Stock, Value, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Other investing activities Payments for (Proceeds from) Other Investing Activities Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] LPSA LP South America Segment [Member] LP South America Segment Schedule of Other Operating Cost and Expense, by Component Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Other Tax Expense (Benefit) Other Tax Expense (Benefit) Net income per share, basic (in dollars per share) Earnings Per Share, Basic Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Deferred Tax Assets, Deferred Income Deferred Tax Assets, Deferred Income Foreign currency gain (loss) Realized Gain (Loss), Foreign Currency Transaction, before Tax Legal and Environmental Matters [Abstract] Legal and Environmental Matters [Abstract] Legal And Environmental Matters [Abstract] Unpaid capital expenditures Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Schedule of Goodwill [Table] Goodwill [Table] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Total assets Assets Proceeds from equity method investment distribution Proceeds from Equity Method Investment, Distribution Cost of sales Cost of Goods and Services Sold Property, plant, and equipment additions Payments to Acquire Property, Plant, and Equipment Other long-term liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Reclassified to income statement, net of taxes Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Termination Date Trading Arrangement Termination Date Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Net sales Revenues City Area Code Entity Address, City or Town Borrowing of long-term debt Proceeds from Issuance of Long-Term Debt Debt Instrument [Axis] Debt Instrument [Axis] Net income (loss) attributed to LP Net income Net income (loss) attributed to LP Net Income (Loss) Attributable to Parent Other operating credits and charges, net Other operating credits and charges, net Other Operating Income (Expense), Net Trading Arrangement: Trading Arrangement [Axis] Accumulated Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Entity File Number Entity File Number Revenue Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Name Forgone Recovery, Individual Name Document Period End Date Document Period End Date Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Finished products Inventory, Finished Goods, Net of Reserves Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Estimated annual tax rate Estimated annual tax rate Estimated annual tax rate Equity in unconsolidated affiliate Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Insider Trading Arrangements [Line Items] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adjustment to Compensation: Adjustment to Compensation [Axis] Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Accumulated comprehensive loss Beginning Balance Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Retained Earnings [Member] Retained Earnings [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Accrual for Environmental Loss Contingencies, Gross Accrual for Environmental Loss Contingencies, Gross Basic (in shares) Weighted average common shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Proceeds from sales of assets Proceeds from Sale of Productive Assets Amended Credit Facility Amended Credit Facility [Member] Amended Credit Facility Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Entity Filer Category Entity Filer Category Loss Contingencies [Line Items] Loss Contingencies [Line Items] Company Selected Measure Name Company Selected Measure Name