Restructuring and Related Charges (Schedule of Restructuring Charges Incurred Cumulative to Date) (Details) $ in Millions	Sep. 28, 2018 USD ($)
Restructuring Fiscal 2016 Plan
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	$ 120.9
Restructuring Fiscal 2016 Plan | Specialty Brands
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	80.0
Restructuring Fiscal 2016 Plan | Specialty Generics Disposal Group
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	14.4
Restructuring Fiscal 2016 Plan | Corporate
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	26.5
Restructuring Fiscal 2018 Plan
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	5.2
Restructuring Fiscal 2018 Plan | Specialty Brands
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	3.0
Restructuring Fiscal 2018 Plan | Specialty Generics Disposal Group
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	0.0
Restructuring Fiscal 2018 Plan | Corporate
Restructuring Cost and Reserve
Restructuring costs incurred cumulative to date	$ 2.2