Business Combinations (Schedule Of Intangible Assets) (Detail) - USD ($) $ in Millions	Jul. 01, 2016	Jan. 01, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 1,375.9	$ 1,381.6
Intangible Assets, Accumulated Amortization	(967.0)	(894.5)
Total	408.9	487.1
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	812.4	802.1
Intangible Assets, Accumulated Amortization	(592.2)	(536.0)
Total	220.2	266.1
Trade Names And Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	51.4	52.8
Intangible Assets, Accumulated Amortization	(41.3)	(39.8)
Total	10.1	13.0
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	446.6	448.1
Intangible Assets, Accumulated Amortization	(277.7)	(258.0)
Total	168.9	190.1
Distribution Rights And Other Intellectual Properties [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	65.5	78.6
Intangible Assets, Accumulated Amortization	(55.8)	(60.7)
Total	$ 9.7	$ 17.9