Business Combination, Intangible Assets And Goodwill (Schedule Of Total Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,737.7	$ 1,903.4
Accumulated Amortization	(1,231.1)	(1,323.3)
Total	$ 506.6	580.1
Developed product technology
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Lives (in years)	6 years
Gross Carrying Amount	$ 1,011.9	1,118.2
Accumulated Amortization	(748.2)	(811.1)
Total	$ 263.7	307.1
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Lives (in years)	9 years
Gross Carrying Amount	$ 667.8	681.1
Accumulated Amortization	(428.9)	(419.3)
Total	$ 238.9	261.8
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Lives (in years)	6 years
Gross Carrying Amount	$ 48.0	58.3
Accumulated Amortization	(45.0)	(51.9)
Total	$ 3.0	6.4
Distribution rights and other intellectual properties
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Lives (in years)	4 years
Gross Carrying Amount	$ 10.0	45.8
Accumulated Amortization	(9.0)	(41.0)
Total	$ 1.0	$ 4.8