New Accounting Pronouncements (Narrative) (Details) $ in Millions	Jul. 01, 2018 USD ($)
ASU 2016-16 [Member] \| Subsequent Event [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment to retained earnings and reduction prepaid taxes	$ 185.6

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.

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