Goodwill and Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 27, 2013	Sep. 27, 2013
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Gross Carrying Amount	$ 175.3	$ 175.3
Total intangible assets, Accumulated Amortization	(117.0)	(110.5)
Total intangible assets, Net Carrying Amount	58.3	64.8
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	32 months
Gross Carrying Amount	78.7	78.7
Accumulated Amortization	(52.6)	(49.3)
Net Carrying Amount	26.1	29.4
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	32 months
Gross Carrying Amount	88.9	88.9
Accumulated Amortization	(58.4)	(55.3)
Net Carrying Amount	30.5	33.6
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	2 months
Gross Carrying Amount	6.1	6.1
Accumulated Amortization	(6.0)	(5.9)
Net Carrying Amount	0.1	0.2
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Trademarks	1.6	1.6
Nonamortizing intangible assets, Gross Carrying Amount	$ 1.6	$ 1.6