Accounting Policies (Details) $ in Millions	9 Months Ended
Sep. 30, 2016 USD ($)
Reclassification of Deferred Tax Asset [Abstract]
Prior period reclassification adjustment	$ 28.0

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration