Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 28, 2014	Mar. 29, 2013	Mar. 28, 2014	Mar. 29, 2013	Sep. 27, 2013
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	$ 1,965.4		$ 1,965.4		$ 648.2
Accumulated amortization	304.0		304.0		279.7
Indefinitie-lived intangible assets, gross	53.6		53.6		53.6
Intangible asset amortization	15.5	8.8	24.3	17.7
Trademarks
Schedule of Intangible Asset by Major Class [Line Items]
Indefinitie-lived intangible assets, gross	35.0		35.0		35.0
In-process Research and Development
Schedule of Intangible Asset by Major Class [Line Items]
Indefinitie-lived intangible assets, gross	18.6		18.6		18.6
Completed Technology
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	1,749.2		1,749.2		449.2
Accumulated amortization	212.8		212.8		196.6
Licensing Agreements
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	201.1		201.1		191.1
Accumulated amortization	85.5		85.5		79.3
Trademarks
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	7.9		7.9		7.9
Accumulated amortization	3.9		3.9		3.8
Other
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	7.2		7.2		0
Accumulated amortization	$ 1.8		$ 1.8		$ 0