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Assets and Liabilities Held for Sale Assets and Liabilities Held for Sale (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Feb. 26, 2020
Discontinued Operations and Disposal Groups [Abstract]
Purchase Price			$ 1,100.0
Gain (Loss) on Sale of Assets and Asset Impairment Charges	$ (280.2)	$ 0.0
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	$ (236.2)	$ (80.7)

X

- Definition

Purchase Price

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

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X

- Definition

Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760

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- Definition

Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

+ References

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=118932676&loc=d3e3602-108585

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