Deferred Revenue And Remaining Performance Obligations (Schedule of Deferred Revenue and Performance Obligations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022
Contract With Customer, Asset And Liability [Roll Forward]
Beginning balance of the period	$ 737.6	$ 631.8
Revenue recognized from prior year-end	(607.8)	(511.5)
Billings net of revenue recognized from current year	631.6	617.3
Ending balance of the period	$ 761.4	$ 737.6