Intangible Assets and Goodwill (Schedule Of Intangible Assets) (Detail) - USD ($) $ in Millions	Apr. 01, 2022	Dec. 31, 2021
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 1,716.5	$ 1,737.7
Accumulated amortization	(1,247.8)	(1,231.1)
Total	468.7	506.6
Developed product technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,009.1	1,011.9
Accumulated amortization	(767.6)	(748.2)
Total	241.5	263.7
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	649.5	667.8
Accumulated amortization	(431.9)	(428.9)
Total	217.6	238.9
Trade names and trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	47.9	48.0
Accumulated amortization	(39.3)	(45.0)
Total	8.6	3.0
Distribution rights and other intellectual property
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	10.0	10.0
Accumulated amortization	(9.0)	(9.0)
Total	$ 1.0	$ 1.0