Business Combinations (Schedule Of Intangible Assets) (Detail) - USD ($) $ in Millions	Apr. 01, 2016	Jan. 01, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 1,395.2	$ 1,381.6
Intangible Assets, Accumulated Amortization	(942.7)	(894.5)
Total	452.5	487.1
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	811.9	802.1
Intangible Assets, Accumulated Amortization	(567.3)	(536.0)
Total	244.6	266.1
Trade Names And Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	53.0	52.8
Intangible Assets, Accumulated Amortization	(41.4)	(39.8)
Total	11.6	13.0
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	451.0	448.1
Intangible Assets, Accumulated Amortization	(271.2)	(258.0)
Total	179.8	190.1
Distribution Rights And Other Intellectual Properties [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	79.3	78.6
Intangible Assets, Accumulated Amortization	(62.8)	(60.7)
Total	$ 16.5	$ 17.9