Goodwill and Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 29, 2013	Sep. 28, 2012
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Gross Carrying Amount	$ 175.2	$ 175.7
Total intangible assets, Accumulated Amortization	(96.7)	(81.7)
Total intangible assets, Net Carrying Amount	78.5	94.0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	37 months
Gross Carrying Amount	78.7	78.7
Accumulated Amortization	(42.7)	(36.3)
Net Carrying Amount	36.0	42.4
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	39 months
Gross Carrying Amount	88.8	89.3
Accumulated Amortization	(49.0)	(42.2)
Net Carrying Amount	39.8	47.1
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	11 months
Gross Carrying Amount	6.1	6.1
Accumulated Amortization	(5.0)	(3.2)
Net Carrying Amount	1.1	2.9
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