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Acquisitions (Details 1) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Initial Price Allocation [Member]
Business Acquisition Purchase price allocation identifiable intangible assets
Total intangible assets allocated	$ 11.7
Know-how [Member]
Business Acquisition Purchase price allocation identifiable intangible assets
Total intangible assets allocated	6.7
Intangible Assets, Weighted Average Life	15 years
All customer relationships [Member]
Business Acquisition Purchase price allocation identifiable intangible assets
Total intangible assets allocated	3.8
Intangible Assets, Weighted Average Life	10 years
Non-compete agreements [Member]
Business Acquisition Purchase price allocation identifiable intangible assets
Total intangible assets allocated	0.3
Intangible Assets, Weighted Average Life	4 years
Trade name [Member]
Business Acquisition Purchase price allocation identifiable intangible assets
Total intangible assets allocated	$ 0.9
Intangible Assets, Weighted Average Life	8 years

X

- Details

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

X

- Definition

The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 44

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275

+ Details

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