XML 104 R79.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Long-Term Debt (Narrative) (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) type_of_borrowing business_day lender | Mar. 31, 2024 | Dec. 31, 2023 USD ($)
Short-term Debt [Line Items] |  |  |
Total authorized program | $ 1,200,000,000 |  | $ 1,200,000,000
Line of credit facility, remaining borrowing capacity | $ 443,200,000 |  | 331,900,000
Number of types of borrowing that may be elected under the facility | type_of_borrowing | 5 |  |
Number of business days' notice to terminate facility | business_day | 3 |  |
Line of Credit |  |  |
Short-term Debt [Line Items] |  |  |
Excess of without planned expenditures | $ 750,000,000.0 |  |
Leverage ratio to EBITDA | 4.00 | 3.50 |
Secured debt limit, percentage of total consolidated assets | 15.00% |  |
Line of Credit | Debt Covenant 1 |  |  |
Short-term Debt [Line Items] |  |  |
Leverage ratio to EBITDA | 3.50 |  |
Line of Credit | Debt Covenant 2 |  |  |
Short-term Debt [Line Items] |  |  |
Leverage ratio to EBITDA | 4.00 |  |
Senior Notes | Senior Notes, Due 2024 |  |  |
Short-term Debt [Line Items] |  |  |
Repayments of debt | $ 300,000,000.0 |  |
Stated percentage (as a percent) | 3.80% |  |
Revolving credit facility |  |  |
Short-term Debt [Line Items] |  |  |
Total authorized program | $ 1,200,000,000 |  |
Number of lenders in syndicate | lender | 12 |  |
Credit facility outstanding | $ 0 |  | 0
Line of credit facility, remaining borrowing capacity | 443,200,000 |  |
Revolving credit facility | Letter of Credit |  |  |
Short-term Debt [Line Items] |  |  |
Total authorized program | 125,000,000.0 |  |
Revolving credit facility | Standby Letters of Credit |  |  |
Short-term Debt [Line Items] |  |  |
Total authorized program | 61,400,000 |  | $ 52,000,000.0
Revolving credit facility | Line of Credit |  |  |
Short-term Debt [Line Items] |  |  |
Total authorized program | $ 1,200,000,000 |  |

X
- Definition Debt Instrument, Debt Covenant, Cash Balance, Minimum Balance + References No definition available. + Details
Name: | leg_DebtInstrumentDebtCovenantCashBalanceMinimumBalance
Namespace Prefix: | leg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Instrument, Secured Debt Limit, Percentage Of Total Consolidated Assets + References No definition available. + Details
Name: | leg_DebtInstrumentSecuredDebtLimitPercentageOfTotalConsolidatedAssets
Namespace Prefix: | leg_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line Of Credit Facility, Number Of Types Of Borrowing Available + References No definition available. + Details
Name: | leg_LineOfCreditFacilityNumberOfTypesOfBorrowingAvailable
Namespace Prefix: | leg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line Of Credit Facility, Termination Notice, Number Of Business Days + References No definition available. + Details
Name: | leg_LineOfCreditFacilityTerminationNoticeNumberOfBusinessDays
Namespace Prefix: | leg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Lenders In Syndicate + References No definition available. + Details
Name: | leg_NumberOfLendersInSyndicate
Namespace Prefix: | leg_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio of Indebtedness to EBITDA + References No definition available. + Details
Name: | leg_RatioOfIndebtednessToEBITDA
Namespace Prefix: | leg_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_ShortTermDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | leg_DebtCovenantCovenantScenarioAxis=leg_DebtCovenant1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | leg_DebtCovenantCovenantScenarioAxis=leg_DebtCovenant2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=leg_SeniorNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |