Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Intangible Assets (Schedule Of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2016	Aug. 31, 2016	Sep. 25, 2015	Apr. 16, 2015	Sep. 26, 2014	Aug. 14, 2014
Goodwill [Line Items]
Goodwill, Period Increase (Decrease)	$ 55.9
Goodwill	3,705.3		$ 3,649.4
Goodwill, Gross	3,705.3		3,649.4
Specialty Brands [Member]
Goodwill [Line Items]
Goodwill, Gross	3,498.3		3,442.4
Specialty Generics [Member]
Goodwill [Line Items]
Goodwill, Gross	$ 207.0		207.0
Global Medical Imaging
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss					$ (219.7)
Stratatech [Member]
Goodwill [Line Items]
Goodwill		$ 57.3
Ikaria
Goodwill [Line Items]
Goodwill				$ 795.0
Therakos
Goodwill [Line Items]
Goodwill			$ 429.9
Questcor Pharmaceuticals, Inc.
Goodwill [Line Items]
Goodwill						$ 1,789.4