Name:	us-gaap_FiniteLivedIntangibleAssetsAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The accumulated amount of amortization of a major finite-lived intangible asset class. 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 Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

Accounting Policies (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			6 Months Ended	1 Months Ended	6 Months Ended			1 Months Ended	6 Months Ended
	Jul. 03, 2011	Jul. 04, 2010	Jul. 03, 2011	Jul. 04, 2010	Dec. 31, 2010	Jul. 03, 2011 Patents	Apr. 30, 2011 Customer relationships	Jul. 03, 2011 Customer relationships	Jul. 03, 2011 Technology	Jul. 03, 2011 Other	Apr. 30, 2011 Trade name	Jul. 03, 2011 Trade name
Intangible assets subject to amortization
Gross Carrying Amount	$ 217.6		$ 217.6			$ 16.9		$ 159.7	$ 20.1	$ 20.9
Accumulated Amortization	(73.2)		(73.2)			(10.2)		(50.6)	(6.4)	(6.0)
Net Carrying Amount	144.4		144.4			6.7		109.1	13.7	14.9
Indefinite-lived intangible assets
Indefinite-lived intangible assets	50.7		50.7
Intangible assets
Gross Carrying Amount	268.3		268.3
Total	195.1		195.1		152.6
Impairment of intangible assets												0.3
Reclassification of intangible assets												2.1
Weighted-average remaining life (in years)			13.4			7.5	10	7.8	14.2	21.9	20
Aggregate amortization expense for amortized intangible assets	5.3	3.2	9.3	6.6
Future amortization expense
Future amortization expense for remainder of 2011			9.1
Future amortization expense, 2012			17.9
Future amortization expense, 2013			16.5
Future amortization expense, 2014			16.5
Future amortization expense, 2015			$ 16.1