Intangible Assets and Goodwill (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Apr. 04, 2025	Jan. 03, 2025
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 2,058.6	$ 2,033.5
Accumulated amortization	(1,069.9)	(1,035.4)
Total	988.7	998.1
Developed product technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	809.5	819.0
Accumulated amortization	(562.8)	(561.2)
Total	246.7	257.8
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,210.2	1,175.5
Accumulated amortization	(472.8)	(440.2)
Total	737.4	735.3
Trade names and other intellectual properties
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	38.9	39.0
Accumulated amortization	(34.3)	(34.0)
Total	$ 4.6	$ 5.0