New Accounting Pronouncements (Details) - Valuation Allowance of Deferred Tax Assets [Member] - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2016	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	$ 0.6

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.

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