Business Combinations (Schedule Of Intangible Assets) (Detail) - USD ($) $ in Millions	Sep. 30, 2016	Jan. 01, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 1,374.8	$ 1,381.6
Intangible Assets, Accumulated Amortization	(1,003.7)	(894.5)
Total	371.1	487.1
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	810.6	802.1
Intangible Assets, Accumulated Amortization	(615.2)	(536.0)
Total	195.4	266.1
Trade Names And Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	51.6	52.8
Intangible Assets, Accumulated Amortization	(42.4)	(39.8)
Total	9.2	13.0
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	447.0	448.1
Intangible Assets, Accumulated Amortization	(289.0)	(258.0)
Total	158.0	190.1
Distribution Rights And Other Intellectual Properties [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	65.6	78.6
Intangible Assets, Accumulated Amortization	(57.1)	(60.7)
Total	$ 8.5	$ 17.9