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Acquisitions - Identifiable Intangible Assets (Details) (ITW Finishing Group, USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2012
Customer Relationships [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Amount	$ 103,500
Estimated Life (years)	14
Developed Technology Rights [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Amount	9,600
Estimated Life (years)	11
Brand names [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Amount	$ 37,400
Estimated Life (years)	Indefinite

X

- Definition

The aggregate amount assigned to a major class of finite and indfinite-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

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

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- Details

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X

- Definition

Weighted average amortization period of finite-and indefinite 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

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration