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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Apr. 01, 2019	Jan. 01, 2019	Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Payments to Noncontrolling Interests	$ 31.1	$ 26.9
Cumulative effect of an accounting change			$ (3.7)	$ (0.7)	$ 12.2
Retained Earnings (Accumulated deficit)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of an accounting change			$ (3.7)	$ (0.7)	$ 12.9

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Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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