Goodwill and Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 28, 2014	Sep. 27, 2013
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Gross Carrying Amount	$ 175.3	$ 175.3
Total intangible assets, Accumulated Amortization	(123.3)	(110.5)
Total intangible assets, Net Carrying Amount	52.0	64.8
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	29 months
Gross Carrying Amount	78.7	78.7
Accumulated Amortization	(55.8)	(49.3)
Net Carrying Amount	22.9	29.4
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	29 months
Gross Carrying Amount	88.9	88.9
Accumulated Amortization	(61.4)	(55.3)
Net Carrying Amount	27.5	33.6
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	0 months
Gross Carrying Amount	6.1	6.1
Accumulated Amortization	(6.1)	(5.9)
Net Carrying Amount	0	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