Reporting Segment And Geographic Information (Reconciliation Of The Company's Consolidated Segment Operating Income To Consolidated Income Before Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	$ 448.8	$ 510.9	$ 561.0
Unallocated general corporate expenses	(1,884.0)	(1,594.7)	(1,473.7)
Purchase accounting adjustments	(212.3)	(131.6)	(134.5)
Acquisition / divestiture items	(72.4)	(32.8)	(21.8)
Stock-based compensation / deferred compensation	(151.1)	(112.0)	(128.6)
Restructuring and other costs	(50.1)	(54.2)	(11.1)
Total non-operating income (expense), net	(91.8)	58.2	13.6
Consolidated income before taxes	357.0	569.1	574.6
Segments Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	1,050.7	964.8	963.2
Non-Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unallocated general corporate expenses	$ (116.0)	$ (123.3)	$ (106.2)