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v2.4.1.9

Other Operating Credits and Charges, Net (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Contract Termination |  |  |  |  |  |  |  |  |  | $ 1.0 us-gaap_GainLossOnContractTermination | $ 0 us-gaap_GainLossOnContractTermination | $ 0 us-gaap_GainLossOnContractTermination
Adjustments related to prior year inventory |  |  |  |  | (4.8)us-gaap_InventoryWriteDown |  |  | (1.6)us-gaap_InventoryWriteDown |  | 0 us-gaap_InventoryWriteDown | (4.8)us-gaap_InventoryWriteDown | 0 us-gaap_InventoryWriteDown
Inventory adjustment |  |  |  |  |  |  |  |  |  | 0 lpx_Inventoryadjustment | 1.6 lpx_Inventoryadjustment | 1.5 lpx_Inventoryadjustment
Adjustment related to prior year depreciation |  |  |  |  |  |  |  |  |  | 0 us-gaap_DepreciationDepletionAndAmortization | 1.6 us-gaap_DepreciationDepletionAndAmortization | 0 us-gaap_DepreciationDepletionAndAmortization
Refundable value added tax receivable |  |  |  |  |  | 1.4 lpx_Refundablevalueaddedtaxreceivable |  |  |  | 0 lpx_Refundablevalueaddedtaxreceivable | 1.4 lpx_Refundablevalueaddedtaxreceivable | 0 lpx_Refundablevalueaddedtaxreceivable
Insurance Recoveries |  |  |  |  | 1.5 us-gaap_InsuranceRecoveries | 0.4 us-gaap_InsuranceRecoveries |  |  |  | 0.5 us-gaap_InsuranceRecoveries | 1.9 us-gaap_InsuranceRecoveries | 0 us-gaap_InsuranceRecoveries
Adjustment to contingent consideration fair value | 3.3 lpx_Adjustmenttocontingentconsiderationfairvalue |  | (0.1)lpx_Adjustmenttocontingentconsiderationfairvalue |  | 3.2 lpx_Adjustmenttocontingentconsiderationfairvalue | 17.3 lpx_Adjustmenttocontingentconsiderationfairvalue |  |  |  | 3.2 lpx_Adjustmenttocontingentconsiderationfairvalue | 20.5 lpx_Adjustmenttocontingentconsiderationfairvalue | 0 lpx_Adjustmenttocontingentconsiderationfairvalue
Additions to workers compensation reserves | 0.6 us-gaap_IncreaseDecreaseInWorkersCompensationLiabilities | (1.0)us-gaap_IncreaseDecreaseInWorkersCompensationLiabilities |  |  |  | 1.0 us-gaap_IncreaseDecreaseInWorkersCompensationLiabilities |  |  |  | (0.4)us-gaap_IncreaseDecreaseInWorkersCompensationLiabilities | (1.0)us-gaap_IncreaseDecreaseInWorkersCompensationLiabilities | 0 us-gaap_IncreaseDecreaseInWorkersCompensationLiabilities
Termination indemnities in South America |  |  |  |  |  |  |  |  |  |  | 1.6 us-gaap_OtherPostretirementBenefitExpense |
Adjustments to retirement accounts |  |  |  |  |  |  |  |  |  | 0 us-gaap_PensionAndOtherPostretirementBenefitExpense | 0 us-gaap_PensionAndOtherPostretirementBenefitExpense | (3.8)us-gaap_PensionAndOtherPostretirementBenefitExpense
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments |  |  |  |  |  |  |  |  |  | 0 us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments | 0 us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments | (2.2)us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
Addition to environmental related contingency reserves |  |  |  |  |  |  |  |  |  | (0.5)us-gaap_AccrualForEnvironmentalLossContingenciesProvisionForNewLosses | (1.0)us-gaap_AccrualForEnvironmentalLossContingenciesProvisionForNewLosses | 0 us-gaap_AccrualForEnvironmentalLossContingenciesProvisionForNewLosses
Reductions, net of additions, to product related contingency reserves |  |  |  |  |  |  |  |  |  | 0 us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease | 0 us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease | 5.0 us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
Product Warranty Accrual, Period Increase (Decrease) |  |  |  |  |  |  |  |  |  | (11.3)us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease | (17.7)us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease | 1.8 us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease
Timber related reserves |  |  |  |  |  |  |  |  |  | 0 lpx_ReservesForTimberObligations | 0 lpx_ReservesForTimberObligations | 0.8 lpx_ReservesForTimberObligations
Other Cost and Expense, Operating |  |  |  |  |  |  |  |  |  | 0 us-gaap_OtherCostAndExpenseOperating | 0.1 us-gaap_OtherCostAndExpenseOperating | 0.6 us-gaap_OtherCostAndExpenseOperating
Other operating income (expense), net | (6.4)us-gaap_OtherOperatingIncomeExpenseNet | (0.5)us-gaap_OtherOperatingIncomeExpenseNet | (0.6)us-gaap_OtherOperatingIncomeExpenseNet | 0 us-gaap_OtherOperatingIncomeExpenseNet | (12.9)us-gaap_OtherOperatingIncomeExpenseNet | 16.1 us-gaap_OtherOperatingIncomeExpenseNet | (5.4)us-gaap_OtherOperatingIncomeExpenseNet |  | (1.6)us-gaap_OtherOperatingIncomeExpenseNet | (7.5)us-gaap_OtherOperatingIncomeExpenseNet | (3.8)us-gaap_OtherOperatingIncomeExpenseNet | 2.9 us-gaap_OtherOperatingIncomeExpenseNet
Siding |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Product Warranty Accrual, Period Increase (Decrease) |  |  |  |  |  |  |  |  |  |  | (1.0)us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease / us-gaap_ProductOrServiceAxis = lpx_SidingMember |
OSB Siding |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Product Warranty Accrual, Period Increase (Decrease) |  |  |  |  |  |  |  |  |  |  | (0.8)us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease / us-gaap_ProductOrServiceAxis = lpx_OsbSidingMember |
Hardboard Siding Reserves |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Product Warranty Accrual, Period Increase (Decrease) |  |  |  |  |  |  |  |  |  |  | 3.6 us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease / us-gaap_ProductOrServiceAxis = lpx_HardboardSidingReservesMember |
Abitibi [Domain] |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Operating Credits and Charges Associated with Unconsolidated Affiliates |  |  |  |  |  |  | 1.8 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_AbitibiDomain |  |  | 1.0 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_AbitibiDomain | (1.8)lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_AbitibiDomain | 0 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_AbitibiDomain
Canfor-LP |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Operating Credits and Charges Associated with Unconsolidated Affiliates |  |  |  |  |  |  | 0.9 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_CanforLpMember |  |  | 0 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_CanforLpMember | (0.9)lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_CanforLpMember | 0 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_CanforLpMember
Unconsolidated Affiliates |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Other Operating Credits and Charges Associated with Unconsolidated Affiliates |  |  |  |  |  |  |  |  |  | 1.0 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_UnconsolidatedAffiliatesMember | (2.7)lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_UnconsolidatedAffiliatesMember | 0 lpx_OtherOperatingCreditsandChargesAssociatedwithUnconsolidatedAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lpx_UnconsolidatedAffiliatesMember
Supplemental employee retirement plans, defined benefit |  |  |  |  |  |  |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments |  |  |  |  |  |  |  |  |  |  | $ 2.2 us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments / us-gaap_StatementScenarioAxis = us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember |

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- Definition The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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- Definition The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Curtailment -URI http://asc.fasb.org/extlink&oid=6520938 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 + Details
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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition The increase (decrease) during the reporting period in the amount due for insurance (or actual expenses) to cover the medical expenses and lost income for employees that are injured during the course of doing work-related activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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