Contingencies and Legal Proceedings (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($) lawsuit	Mar. 10, 2020 lawsuit	Jun. 30, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency Accrual, Provision	$ 12.5		$ 16.4
Loss Contingency, Estimate of Possible Loss	19.1		$ 23.7
Loss Contingency, Letters of Credit	35.7
Loss Contingency, Judicial Insurance	0.9
Loss Contingency, Cash Deposited	$ 10.6
Number of Shareholders In Lawsuit Notification	2
Number of Lawsuits \| lawsuit	2
Number of consolidated lawsuits \| lawsuit		2

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248

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