Segment Information (Schedule of Reconciliation Of Our Condensed Consolidated Segment Operating Income To Condensed Consolidated Income Before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	$ 121.3	$ 122.4	$ 351.9	$ 414.2
Unallocated general corporate expenses	(468.9)	(393.0)	(1,403.6)	(1,188.3)
Amortization of purchased intangible assets	(58.9)	(31.0)	(155.7)	(97.9)
Acquisition / divestiture items	(22.0)	(9.1)	(55.5)	(20.3)
Stock-based compensation / deferred compensation	(37.9)	(31.7)	(115.4)	(82.9)
Restructuring and other costs	(10.9)	(15.7)	(29.6)	(38.4)
Total non-operating income (expense), net	(41.9)	(4.5)	(54.4)	63.8
Consolidated income before taxes	79.4	117.9	297.5	478.0
Operating segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	276.4	238.4	794.5	745.3
Non-Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unallocated general corporate expenses	$ (25.4)	$ (28.5)	$ (86.4)	$ (91.6)