Goodwill and Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Apr. 03, 2015	Oct. 03, 2014
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, Gross Carrying Amount	$ 155.0	$ 155.0
Total intangible assets, Accumulated Amortization	(96.8)	(80.0)
Total intangible assets, Net Carrying Amount	58.2	75.0
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	18 months
Gross Carrying Amount	57.2	57.2
Accumulated Amortization	(44.2)	(39.4)
Net Carrying Amount	13.0	17.8
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period Remaining (Years)	25 months
Gross Carrying Amount	96.2	96.2
Accumulated Amortization	(52.6)	(40.6)
Net Carrying Amount	43.6	55.6
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

Intangible Assets Excluding Goodwill Accumulated Amortization.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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