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Revenue - Schedule of Rollforward of Deferred Revenue (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Deferred Revenue [Roll Forward]
Beginning balance, January 1	$ 41.4	$ 45.4
Acquisitions	0.0	0.7
Revenue received or billed in advance of recognition	145.5	153.0
Less: revenue recognized	(121.1)	(157.7)
Ending balance	$ 65.8	$ 41.4

X

- Definition

Contract with Customer, Liability, Acquisitions

+ References

No definition available.

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Balance Type:	debit
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X

- Definition

Contract with Customer, Liability, Received In Advance

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X

- Definition

Contract With Customer, Liability, Revenue Recognized Including Opening Balance

+ References

No definition available.

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Namespace Prefix:	tkr_
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- Definition

Deferred Revenue

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No definition available.

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X

- 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 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-11

Reference 2: 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 3: 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 4: 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

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