Restructuring and Related Charges (Schedule of Net Restructuring and Related Charges) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 24, 2021	Sep. 25, 2020	Sep. 24, 2021	Sep. 25, 2020
Restructuring Cost and Reserve
Restructuring and related charges, net	$ 11.7	$ 3.2	$ 19.5	$ 15.8
Restructuring and Related Costs, Non-cash Charges, Including Accelerated Depreciation	(1.7)	0.0	(4.3)	0.0
Total charges expected to be settled in cash	10.0	3.2	15.2	15.8
Restructuring Fiscal 2018 Plan
Restructuring Cost and Reserve
Restructuring and related charges, net	11.7	3.2	19.5	17.8
Restructuring Fiscal 2016 Plan
Restructuring Cost and Reserve
Restructuring and related charges, net	0.0	0.0	0.0	(0.1)
Acquisitions
Restructuring Cost and Reserve
Restructuring and related charges, net	$ 0.0	$ 0.0	$ 0.0	$ (1.9)