Goodwill And Other Intangible Assets (Narrative) (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Acquired Technology [Member]
Increase in definite intangible assets	$ 72.6

The increase (decrease) during the reporting period in intangible assets (for example patents and licenses).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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