Fair Value (Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation) (Details) $ in Millions	12 Months Ended
Oct. 02, 2015 USD ($)
Fair Value, Assets [Roll Forward]
Changes in fair value included in earnings	$ 0.0
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets [Roll Forward]
Foreign currency derivative, beginning balance	0.7
Foreign currency derivative, ending balance	3.3
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Fair Value, Assets [Roll Forward]
Foreign currency derivative, beginning balance	0.7
Foreign currency derivative, ending balance	3.3
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member] \| Auction Rate Securities [Member]
Fair Value, Assets [Roll Forward]
Auction rate securities beginning balance	2.3
Changes in fair value included in earnings	0.0
Auction rate securities ending balance	2.3
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member] \| Derivative [Member]
Fair Value, Assets [Roll Forward]
Foreign currency derivative, beginning balance	0.7
Changes in fair value included in earnings	2.6
Foreign currency derivative, ending balance	$ 3.3

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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

-Publisher FASB

-Name Accounting Standards Codification

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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