Restructuring and Related Charges (Schedule of Net Restructuring and Related Charges) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	$ 24.2	$ 12.1	$ 54.0	$ 20.0
Less: non-cash charges, including accelerated depreciation	(0.4)	(0.7)	(3.1)	(2.1)
Total charges expected to be settled in cash	23.8	11.4	50.9	17.9
2013 Mallinckrodt program
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	23.0	0	53.9	0
Other programs
Restructuring Cost and Reserve [Line Items]
Total restructuring and related charges	$ 1.2	$ 12.1	$ 0.1	$ 20.0