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Retirement Plans and Post Retirement Benefits Defined Contribution Plans and Other Benefit Plans (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Defined Contribution Plans [Abstract] |  |  |
Total market value of plan assets represented by LP common stock | 4.00% |  |
Employer matching percentage | 50.00% |  |
Expenses related to defined contribution plans and multiemployer plan | $ 20.0 | $ 15.0 | $ 23.0
Deferred Compensation Arrangements [Abstract] |  |  |
Deferred compensation plan maximum deferral percentage | 90.00% |  |
Deferred compensation plan, employer contributions and related earnings, maximum vesting period | 5 years |  |
Deferred compensation liability included in "Other long-term liabilities" | $ (3.0) |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 100.00% |  |
Minimum [Member] |  |  |
Defined Contribution Plans [Abstract] |  |  |
Employer matching percentage | 4.00% |  |
Maximum |  |  |
Defined Contribution Plans [Abstract] |  |  |
Employer matching percentage | 6.00% |  |
US Defined Contribution Plan [Member] |  |  |
Defined Contribution Plans [Abstract] |  |  |
Maximum percentage of employee's wages eligible for company match | 5.00% |  |
Shares of LP common stock included in plan assets | 0.4 |  |
Total market value of plan assets represented by LP common stock | 8.00% |  |
Deferred Compensation Arrangements [Abstract] |  |  |
Deferred Compensation Arrangement, Maximum Annual Contributions Per Employee, Percent | 0.05 |  |
Other Postretirement Benefits Plan [Member] |  |  |
Deferred Compensation Arrangements [Abstract] |  |  |
Funded status | $ 8.0 | $ 8.0 |

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- Definition Defined Contribution Pension Plan + References No definition available. + Details
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480535/715-20-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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