Restructuring and Related Charges (Schedule of Restructuring Charges Incurred Cumulative to Date) (Details) $ in Millions	Dec. 27, 2024 USD ($)
2018 Program
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	$ 119.3
2018 Program | Specialty Brands [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	3.1
2018 Program | Specialty Generics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	19.3
2018 Program | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	96.9
Restructuring Fiscal 2021 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	10.5
Restructuring Fiscal 2021 Plan | Specialty Brands [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	10.5
Restructuring Fiscal 2021 Plan | Specialty Generics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	0.0
Restructuring Fiscal 2021 Plan | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	$ 0.0