Restructuring and Related Charges (Schedule of Restructuring Charges Incurred Cumulative to Date) (Details) (2013 Mallinckrodt program, USD $) In Millions, unless otherwise specified	27 Months Ended
	Dec. 26, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	$ 84.5
Specialty Brands
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	3.0
Specialty Generics
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	11.5
Global Medical Imaging
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	64.3
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred cumulative to date	$ 5.7