Restructuring and Related Charges (Narrative) (Details) $ in Millions	Dec. 30, 2016 USD ($)
2013 Mallinckrodt program | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 100.0
2013 Mallinckrodt program | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	125.0
Restructuring Fiscal 2016 Plan [Member] | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	100.0
Restructuring Fiscal 2016 Plan [Member] | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 125.0