New Accounting Pronouncements (Details) - Valuation Allowance of Deferred Tax Assets [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 01, 2017	Apr. 01, 2017	Oct. 01, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption			$ 4.9
Share Based Compensation Excess Tax Benefits Amount	$ 1.2	$ 1.8

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant