XML 99 R80.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Retirement Plans and Post Retirement Benefits Level 3 Rollforward (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016
Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) [Roll Forward] |  |  |  |  |  |
Fair value of plan assets, beginning of year balance |  | $ 237.4 |  | $ 268.0 |  |
Fair value of plan assets, end of year balance |  | 237.4 |  | 268.0 | $ 239.9 |
Multi-strategy Funds |  |  |  |  |  |
Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) [Roll Forward] |  |  |  |  |  |
Fair value of plan assets, beginning of year balance | [1] | 84.2 |  |  |  |
Fair value of plan assets, end of year balance | [1] | 84.2 |  |  | 75.1 |
Significant Unobservable Inputs (Level 3) |  |  |  |  |  |
Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) [Roll Forward] |  |  |  |  |  |
Fair value of plan assets, beginning of year balance |  | 13.3 |  |  |  |
Fair value of plan assets, end of year balance |  | 13.3 |  |  | 12.2 |
Significant Unobservable Inputs (Level 3) | Multi-strategy Funds |  |  |  |  |  |
Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) [Roll Forward] |  |  |  |  |  |
Fair value of plan assets, beginning of year balance |  | 13.3 | [1] | 26.1 |  |
Total unrealized gains (losses) |  | 0.3 |  |  |  |
Defined Benefit Plan, Redemptions |  | (1.5) |  | (13.0) |  |
Defined Benefit Plan, Mangement Fees |  | 0.1 |  | 0.2 |  |
Fair value of plan assets, end of year balance |  | $ 13.3 | [1] | $ 26.1 | $ 12.2 | [1]
[1] | The multi-strategy funds invest in various hedge funds that employ a fund of funds strategy.

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

X
- Definition Actual return on plan assets, separately identifying the amount related to assets still held at the reporting date. + 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 (d)(iv)(02)(A) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(02)(A) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 + Details
Name: | us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + 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=64937038&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=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6749337 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6520858 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember
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: |