XML 115 R92.htm IDEA: XBRL DOCUMENT
v3.22.4

Employee Benefit Plans (Schedule of Fair Value of Pension Plan Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | $ 175.8 | $ 227.7 | $ 215.3 | $ 201.5
Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 39.8 | 55.4 |  |
Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 104.8 | 135.4 |  |
Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 22.1 | 31.6 |  |
Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 9.1 | 5.3 |  |
Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 125.1 | 161.1 |  |
Level 1 | Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 25.9 | 34.1 |  |
Level 1 | Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 99.2 | 127.0 |  |
Level 1 | Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 1 | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 2 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 41.6 | 61.3 |  |
Level 2 | Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 13.9 | 21.3 |  |
Level 2 | Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 5.6 | 8.4 |  |
Level 2 | Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 22.1 | 31.6 |  |
Level 2 | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 | Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 | Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 | Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Assets Measured at NAV |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 9.1 | 5.3 |  |
Assets Measured at NAV | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | $ 9.1 | $ 5.3 |  |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_FixedIncomeFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquityFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=leg_StableValueFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_DefinedBenefitPlanCashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |