Acquisitions and License Agreements (Schedule of Acquisition-Related Costs by Acquiree) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 26, 2015	Jun. 27, 2014	Jun. 26, 2015	Jun. 27, 2014
Schedule of Acquisition-Related Costs [Line Items]
Business Combination, Acquisition Related Costs	$ 23.5	$ 16.6	$ 30.6	$ 35.1
Ikaria, Inc.
Schedule of Acquisition-Related Costs [Line Items]
Business Combination, Acquisition Related Costs	23.5	0.0	30.7	0.0
Questcor Pharmaceuticals, Inc.
Schedule of Acquisition-Related Costs [Line Items]
Business Combination, Acquisition Related Costs	0.0	16.6	(0.1)	17.5
Cadence Pharmaceuticals, Inc.
Schedule of Acquisition-Related Costs [Line Items]
Business Combination, Acquisition Related Costs	$ 0.0	$ 0.0	$ 0.0	$ 17.6