Significant Accounting Policies - Derivative Instruments (Narrative) (Details)	12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]
Derivative Asset, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag	Consolidated Balance Sheets

Derivative Asset, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag

No definition available.

Name:	tkr_DerivativeAssetStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag
Namespace Prefix:	tkr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration