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Revenue - Schedule of Deferred Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Contract With Customer, Liability [Roll Forward] |  |
Beginning balance | $ 45.4 | $ 54.3
Acquisitions | 0.7 | 1.4
Revenue (cash) received in advance | 153.0 | 165.2
Less: revenue recognized | (157.7) | (175.5)
Ending balance | $ 41.4 | $ 45.4

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- Definition Contract with Customer, Liability, Acquisitions + References No definition available. + Details
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Namespace Prefix: | tkr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Contract with Customer, Liability, Received In Advance + References No definition available. + Details
Name: | tkr_ContractWithCustomerLiabilityReceivedInAdvance
Namespace Prefix: | tkr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Contract With Customer, Liability, Revenue Recognized Including Opening Balance + References No definition available. + Details
Name: | tkr_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance
Namespace Prefix: | tkr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Contract With Customer, Liability + References No definition available. + Details
Name: | tkr_ContractWithCustomerLiabilityRollForward
Namespace Prefix: | tkr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant