Restructuring and Related Charges (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2024	Mar. 31, 2023	Dec. 01, 2021	Feb. 01, 2018
Restructuring Cost and Reserve
Restructuring charges, net	$ 10.2	$ 1.2
Total Restructuring And Related Expense	10.2	1.9
StrataGraft
Restructuring Cost and Reserve
Other Nonrecurring Gain	2.5
Gain (Loss) on Termination of Lease	5.1
Lease Termination Penalty	2.6
One-time Termination Benefits
Restructuring Cost and Reserve
Total Restructuring And Related Expense	4.6
One-time Termination Benefits | StrataGraft
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	2.0
Contract Termination
Restructuring Cost and Reserve
Total Restructuring And Related Expense	5.6
Specialty Brands
Restructuring Cost and Reserve
Total Restructuring And Related Expense	10.2	0.0
Restructuring Fiscal 2018 Plan
Restructuring Cost and Reserve
Total Restructuring And Related Expense	0.0	1.9
Restructuring Fiscal 2018 Plan | Minimum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost				$ 100.0
Restructuring Fiscal 2018 Plan | Maximum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost				$ 125.0
Restructuring Fiscal 2021 Plan
Restructuring Cost and Reserve
Total Restructuring And Related Expense	$ 10.2	$ 0.0
Restructuring Fiscal 2021 Plan | Minimum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost			$ 50.0
Restructuring Fiscal 2021 Plan | Maximum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost			$ 100.0