Deferred Revenue And Remaining Performance Obligations (Schedule of Deferred Revenue and Performance Obligations) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Contract With Customer, Asset And Liability [Roll Forward]
Beginning balance of the period	$ 818.6	$ 760.8	$ 761.4	$ 737.6
Revenue recognized from prior year-end	(173.3)	(141.7)	(472.5)	(435.2)
Billings net of revenue recognized from current year and other	168.3	126.5	524.7	443.2
Ending balance of the period	$ 813.6	$ 745.6	$ 813.6	$ 745.6