Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 27, 2013	Dec. 28, 2012	Sep. 27, 2013
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	$ 648.2		$ 648.2
Accumulated amortization	288.5		279.7
Indefinitie-lived intangible assets, gross	53.6		53.6
Intangible asset amortization	8.8	8.9
Trademarks
Schedule of Intangible Asset by Major Class [Line Items]
Indefinitie-lived intangible assets, gross	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
Completed Technology
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	449.2		449.2
Accumulated amortization	202.2		196.6
Licensing Agreements
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	191.1		191.1
Accumulated amortization	82.4		79.3
Trademarks
Schedule of Intangible Asset by Major Class [Line Items]
Finite-lived intangible assets, gross	7.9		7.9
Accumulated amortization	$ 3.9		$ 3.8