Intangible Assets and Goodwill (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 30, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 1,708.2	$ 1,706.4
Accumulated amortization	(1,223.9)	(1,208.3)
Total	484.3	498.1
Developed product technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,024.0	1,004.8
Accumulated amortization	(745.4)	(722.7)
Total	278.6	282.1
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	638.8	654.1
Accumulated amortization	(439.8)	(445.9)
Total	199.0	208.2
Trade names and trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	39.0	39.5
Accumulated amortization	(33.6)	(32.7)
Total	5.4	6.8
Distribution rights and other intellectual property
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	6.4	8.0
Accumulated amortization	(5.1)	(7.0)
Total	$ 1.3	$ 1.0