Restructuring and Related Charges (Schedule of Restructuring Reserves by Type of Cost) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 30, 2022	Jun. 16, 2022	Sep. 29, 2023
Restructuring Reserve [Roll Forward]
Total Restructuring And Related Expense	$ (0.1)	$ 3.3	$ 2.2	$ 9.6	$ 1.7
Restructuring and Related Costs, Non-cash Charges, Including Accelerated Depreciation	0.0	(0.9)	(0.7)	(3.6)	(0.8)
Restructuring and Related Costs, Total Charges Expected to be Settled in Cash	(0.1)	2.4	1.5	6.0	0.9
Restructuring Fiscal 2018 Plan
Restructuring Reserve [Roll Forward]
Total Restructuring And Related Expense	(0.1)	$ 3.3	$ 2.2	$ 9.6	1.7
Continuing Operations | Restructuring Fiscal 2018 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance					4.6
Charges from continuing operations					1.3
Changes in estimate from continuing operations					(0.4)
Cash payments					(5.4)
Ending Balance	$ 0.1				$ 0.1