XML 104 R83.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Retirement Plans and Post Retirement Benefits Asset Allocation and Fair Value of Plan Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | $ 237.4 |  | $ 268.0 |  | $ 270.3
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | 153.7 |  | 160.6 |  |
Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | 70.4 |  | 81.3 |  |
Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Mangement fees |  | (0.2) |  | (0.1) |  |
Defined benefit plan, fair value of plan assets |  | 13.3 |  | 26.1 |  | 41.7
Domestic stock funds |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 50.7 |  | 84.5 |  |
Domestic stock funds | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 39.0 |  | 71.4 |  |
Domestic stock funds | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 11.7 |  | 13.1 |  |
Domestic stock funds | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 0.0 |  | 0.0 |  |
International stock funds |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 34.0 |  | 37.9 |  |
International stock funds | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 11.7 |  | 12.8 |  |
International stock funds | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 22.3 |  | 25.1 |  |
International stock funds | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 0.0 |  | 0.0 |  |
Domestic bond funds |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | 32.1 | [2] | 62.5 | [1] |
Domestic bond funds | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 32.1 |  | 62.5 |  |
Domestic bond funds | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 0.0 |  | 0.0 |  |
Domestic bond funds | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 0.0 |  | 0.0 |  |
International bond funds |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [2] | 34.5 |  | 40.9 |  |
International bond funds | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 0.0 |  | 0.0 |  |
International bond funds | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 34.5 |  | 40.9 |  |
International bond funds | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [1] | 0.0 |  | 0.0 |  |
Diversified real asset funds |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [2] |  |  | 13.9 |  |
Diversified real asset funds | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [2] |  |  | 13.9 |  |
Diversified real asset funds | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [2] |  |  | 0.0 |  |
Diversified real asset funds | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [2] |  |  | 0.0 |  |
Real Estate | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | 0.0 |  | 0.0 |  | 16.5
Multi-strategy Funds |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [3] | 84.2 |  | 26.1 |  |
Multi-strategy Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [3] | 70.9 |  | 0.0 |  |
Multi-strategy Funds | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets | [3] | 0.0 |  | 0.0 |  |
Multi-strategy Funds | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Mangement fees |  | (0.2) |  | (0.1) |  |
Defined benefit plan, fair value of plan assets |  | 13.3 | [3] | 26.1 | [3] | $ 25.2
Cash and Cash Equivalents |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | 1.9 |  | 2.2 |  |
Cash and Cash Equivalents | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | 0.0 |  | 0.0 |  |
Cash and Cash Equivalents | Fair Value, Inputs, Level 2 |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | 1.9 |  | 2.2 |  |
Cash and Cash Equivalents | Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Defined benefit plan, fair value of plan assets |  | $ 0.0 |  | $ 0.0 |  |
US Benefit Plans [Member] | Equity Securities |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 38.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 37.70% |  | 50.40% |  |
US Benefit Plans [Member] | Debt Securities |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 17.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 17.00% |  | 36.30% |  |
US Benefit Plans [Member] | Multi-strategy Funds |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 45.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 44.60% |  | 12.40% |  |
US Benefit Plans [Member] | All Asset Categories [Member] |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 100.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 100.00% |  | 100.00% |  |
US Benefit Plans [Member] | Cash and Cash Equivalents |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 0.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 0.70% |  | 0.90% |  |
Non-US Benefit Plans [Member] [Member] | Equity Securities |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 27.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 27.90% |  | 28.00% |  |
Non-US Benefit Plans [Member] [Member] | Debt Securities |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 71.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 71.20% |  | 71.70% |  |
Non-US Benefit Plans [Member] [Member] | All Asset Categories [Member] |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 100.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 100.00% |  | 100.00% |  |
Non-US Benefit Plans [Member] [Member] | Cash and Cash Equivalents |  |  |  |  |  |
Target Allocations [Abstract] |  |  |  |  |  |
Equity securities |  | 2.00% |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocation |  | 0.90% |  | 0.30% |  |
[1] | Equity investments include investments in funds that are primarily invested in large capitalization U.S. and international equity securities and a mutual fund.
[2] | Fixed income investments include investments in funds that are primarily invested in a diversified portfolio of investment grade U.S. and international debt securities.
[3] | The multi-strategy funds invest in various hedge funds that employ a fund of funds strategy.

X
- Definition Defined Benefit Plan, Actual Plan Asset Allocation + References No definition available. + Details
Name: | lpx_DefinedBenefitPlanActualPlanAssetAllocation
Namespace Prefix: | lpx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Benefit Plan, Mangement Fees + References No definition available. + Details
Name: | lpx_DefinedBenefitPlanMangementFees
Namespace Prefix: | lpx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=49178875&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=lpx_EquityFundsDomesticStockFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=lpx_EquityFundsInternationalStockFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=lpx_FixedIncomeFundsDomesticEquitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=lpx_FixedIncomeFundsInternationalBondFundMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=lpx_FixedIncomeFundsDiversifiedRealAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lpx_DefinedBenefitPlanRegionAxis=lpx_USBenefitPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=lpx_AllAssetCategoriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lpx_DefinedBenefitPlanRegionAxis=lpx_NonUSBenefitPlansMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |