Segment Results Segment Results (Narrative) (Details) - Unallocated Corporate [Member] $ in Millions	3 Months Ended
Jun. 30, 2020 USD ($)
Segment Reporting Information [Line Items]
Gain (loss) on sale	$ 14.1
Account receivables	$ 20.8

Amount of gain (loss) on sale or disposal of other assets.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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