Business Combinations (Schedule Of Intangible Assets) (Detail) - USD ($) $ in Millions	Oct. 02, 2015	Jan. 02, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 1,360.5	$ 1,355.1
Intangible Assets, Accumulated Amortization	(858.4)	(760.6)
Total	502.1	594.5
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	786.5	770.4
Intangible Assets, Accumulated Amortization	(512.4)	(445.4)
Total	274.1	325.0
Trade Names And Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	52.0	51.2
Intangible Assets, Accumulated Amortization	(38.4)	(33.9)
Total	13.6	17.3
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	443.1	455.0
Intangible Assets, Accumulated Amortization	(248.4)	(226.8)
Total	194.7	228.2
Distribution Rights And Other Intellectual Properties [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	78.9	78.5
Intangible Assets, Accumulated Amortization	(59.2)	(54.5)
Total	$ 19.7	$ 24.0