Line of Credit Facility, Number of Financial Covenant

No definition available.

Name:	tkr_LineOfCreditFacilityNumberOfFinancialCovenant
Namespace Prefix:	tkr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

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+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
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-Paragraph 4
-Subparagraph (b)(1)
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+ Details

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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+ Details

Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- Details

Name:	us-gaap_DebtInstrumentAxis=tkr_TermLoanVariableRateMaturing2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=tkr_ForeignSubsidiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tkr_LineOfCreditAccountsReceivableSecuritizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tkr_SeniorCreditFacilityVariableRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tkr_TermLoanVariableRateMaturing2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tkr_SeniorUnsecuredNotes20344.125Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tkr_SeniorUnsecuredNotes20243.875Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Financing Arrangements - Narrative (Details)	Jun. 30, 2024 USD ($) covenant	May 23, 2024 USD ($)	May 23, 2024 EUR (€)	Dec. 31, 2023 USD ($)	Aug. 16, 2023 EUR (€)	Dec. 05, 2022 USD ($)
Short-term Debt [Line Items]
Short-term debt	$ 27,700,000			$ 246,200,000
Borrowings guarantees	60,600,000
Fair value of amount outstanding	2,148,700,000			2,149,700,000
Unamortized discounts and fees	21,200,000
Term Loan - Variable Rate Maturing 2024
Short-term Debt [Line Items]
Short-term debt	0			220,800,000
Term Loan - Variable Rate Maturing 2024 \| Line of Credit
Short-term Debt [Line Items]
Aggregate principal amount \| €					€ 200,000,000
Foreign Subsidiary
Short-term Debt [Line Items]
Short-term debt	27,700,000			25,400,000
Borrowings guarantees	2,100,000
Accounts Receivable Facility
Short-term Debt [Line Items]
Maximum borrowing capacity	100,000,000
Long-term line of credit	0
Fair value of amount outstanding	0			67,000,000.0
Senior Credit Facility - Variable Rate
Short-term Debt [Line Items]
Maximum borrowing capacity						$ 750,000,000
Fair value of amount outstanding	40,700,000			247,400,000
Line of credit facility, remaining borrowing capacity	$ 709,300,000
Number of financial covenant \| covenant	2
Term Loan - Variable Rate Maturing 2027
Short-term Debt [Line Items]
Fair value of amount outstanding	$ 399,500,000			$ 399,300,000
Term Loan - Variable Rate Maturing 2027 \| Unsecured Debt \| Line of Credit
Short-term Debt [Line Items]
Aggregate principal amount						$ 400,000,000
Senior Unsecured Notes 2034 - 4.125%
Short-term Debt [Line Items]
Aggregate principal amount \| €			€ 600,000,000
Debt instrument, interest rate, stated percentage (as a percent)		4.125%	4.125%
Senior Unsecured Notes - 3.875%
Short-term Debt [Line Items]
Fair value of amount outstanding		$ 350,000,000