Business Combinations (Schedule Of Intangible Assets) (Detail) (USD $) In Millions, unless otherwise specified	Apr. 03, 2015	Jan. 02, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 1,321.9	$ 1,355.1
Intangible Assets, Accumulated Amortization	(775.7)	(760.6)
Total	546.2us-gaap_FiniteLivedIntangibleAssetsNet	594.5us-gaap_FiniteLivedIntangibleAssetsNet
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	758.1	770.4
Intangible Assets, Accumulated Amortization	(459.8)	(445.4)
Total	298.3	325.0
Trade Names And Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	50.5	51.2
Intangible Assets, Accumulated Amortization	(35.0)	(33.9)
Total	15.5	17.3
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	435.5	455.0
Intangible Assets, Accumulated Amortization	(225.6)	(226.8)
Total	209.9	228.2
Distribution Rights And Other Intellectual Properties [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	77.8	78.5
Intangible Assets, Accumulated Amortization	(55.3)	(54.5)
Total	$ 22.5	$ 24.0

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: 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=26713463&loc=d3e16323-109275

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