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Fair Value Fair Value Liabilities Measured on Recurring Basis Unobservable Input Reconciliation (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Apr. 03, 2015
Fair Value, Liabilities [Roll Forward]
Purchase obligation recorded for business combinations, beginning balance	$ 74.6
Foreign currency derivative liability, beginning balance	3.0us-gaap_DerivativeLiabilities
Fair Value, Inputs, Level 3 [Member]
Fair Value, Liabilities [Roll Forward]
Purchase obligation recorded for business combinations, beginning balance	74.0
Foreign currency derivative liability, beginning balance	0.7
Changes in fair value included in earnings	0.6
Purchase obligation recorded for business combinations, beginning balance	74.6
Foreign currency derivative liability, beginning balance	3.0
Fair Value, Inputs, Level 3 [Member] \| Derivative [Member]
Fair Value, Liabilities [Roll Forward]
Changes in fair value included in earnings	$ 2.3

Fair value, after the effects of master netting arrangements, of a financial liability or 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 liabilities not subject to a master netting arrangement and not elected to be offset.

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