Represents the automatic contribution by employer under (employee benefit plan (EBP)).

No definition available.

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Namespace Prefix:	leco_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the increase in percentage for directing investment allocations among plan investment options under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanInvestmentAllocationIncrementPercentage
Namespace Prefix:	leco_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the maximum total employer contribution including automatic contribution under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

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Namespace Prefix:	leco_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the minimum service hours for plan eligibility under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanMinimumServiceHoursForPlanEligibility
Namespace Prefix:	leco_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the minimum service period for employer contribution under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

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Namespace Prefix:	leco_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the minimum service period for plan eligibility under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanMinimumServicePeriodForPlanEligibility
Namespace Prefix:	leco_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the minimum vested balance for single lump sum payment in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanMinimumVestedBalanceForSingleLumpSumPayment
Namespace Prefix:	leco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the percentage points added to the prime rate to compute the interest rate on participant loans under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanNoteReceivableFromParticipantBasisSpreadOnPrimeRate
Namespace Prefix:	leco_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the maximum term of the participant loans if proceeds are used for the purchase of primary residence under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanNoteReceivableFromParticipantMaximumTermIfProceedsUsedToPurchasePrimaryResidence
Namespace Prefix:	leco_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the term of the participant loans under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanNoteReceivableFromParticipantTerm
Namespace Prefix:	leco_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of annual installments under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanNumberOfAnnualInstallments
Namespace Prefix:	leco_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the suspense account balance under (employee benefit plan (EBP)) deposited from residual assets of a frozen defined benefit plan of the Company.

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanSuspenseAccountBalance
Namespace Prefix:	leco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the suspense account balance utilized during the year under (employee benefit plan (EBP)) deposited from residual assets of a frozen defined benefit plan of the Company.

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanSuspenseAccountBalanceFundedToEmployerContributions
Namespace Prefix:	leco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the percentage of vesting under (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	leco_EmployeeBenefitPlanVestingPercentage
Namespace Prefix:	leco_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of net asset available for benefit transferred to (from) employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from (to) external plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule III))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477063/962-205-45-8

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
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Description of Plan (Details) - The Lincoln Electric Company Employee Savings Plan	1 Months Ended		12 Months Ended
	Nov. 30, 2025 USD ($)	Jan. 31, 2025 USD ($)	Dec. 31, 2025 USD ($) installment item	Jan. 01, 2025 USD ($)
Description of Plan
Minimum service hours for plan eligibility \| item			1,000
Minimum service period for plan eligibility			6 months
Suspense account balance			$ 7,343,989	$ 23,481,152
Suspense account funded to employer contributions			16,137,163
Transfers from other qualified plans	$ 12,211,548	$ 34,632,717	46,844,265
Participants maximum contribution amount			$ 23,500
Investment allocation increment (as a percent)			1.00%
Automatic enrollment deferral rate (as a percent)			4.00%
Maximum total employer contribution (as a percent)			6.00%
Employer matching contribution (as a percent)			3.00%
Automatic employer contribution (as a percent)			3.00%
Participant compensation matched (as a percent)			100.00%
Vesting percentage			100.00%
Minimum borrowing amount			$ 1,000
Maximum borrowing amount			$ 50,000
Maximum borrowing percentage			50.00%
Term of loan, purchase of primary residence			15 years
Basis spread on prime rate (as a percent)			1.00%
Number of installments \| installment			10
Minimum account balance for single lump sum payment			$ 1,000
Minimum
Description of Plan
Participants contribution percent			1.00%
Minimum service period for employer contribution			5 years
Term of loan			1 year
Maximum
Description of Plan
Participants contribution percent			80.00%
Minimum service period for employer contribution			30 years
Term of loan			5 years