Intangible Assets and Goodwill (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 28, 2024	Dec. 29, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 2,268.6	$ 2,314.9
Accumulated amortization	(1,154.0)	(1,071.4)
Total	1,114.6	1,243.5
Developed product technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	895.9	908.5
Accumulated amortization	(596.1)	(554.1)
Total	299.8	354.4
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,325.4	1,358.4
Accumulated amortization	(513.5)	(474.5)
Total	811.9	883.9
Trade names and other intellectual properties
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	47.3	48.0
Accumulated amortization	(44.4)	(42.8)
Total	$ 2.9	$ 5.2