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Low end of interest rates at the period end comprising the entity's portfolio of variable-rate lines of credit for certain foreign subsidiaries.

No definition available.

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

No definition available.

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_LongTermDebtCurrent
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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Name:	us-gaap_LongTermDebtNoncurrent
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- References

No definition available.

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Name:	tkr_LongTermDebtInterestRateAxis=tkr_SeniorUnsecuredNotesVariableRateMember
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Name:	tkr_LongTermDebtInterestRateAxis=tkr_EuroTermLoanVariableRateMember
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Name:	tkr_LongTermDebtInterestRateAxis=tkr_SeriesMediumTermNoteMember
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Name:	tkr_LongTermDebtInterestRateAxis=tkr_OtherLongTermDebtMember
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Data Type:	na
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Name:	us-gaap_LineOfCreditFacilityAxis=tkr_LineOfCreditAccountsReceivableSecuritizationMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=tkr_LineOfCreditAccountsReceivableSecuritizationMember
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Name:	dei_LegalEntityAxis=tkr_ForeignSubsidiaryMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=tkr_VariableRateLinesOfCreditMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=us-gaap_LineOfCreditMember
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