Investments In Unconsolidated Affiliates - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Investment amount			$ 0.0	$ 375.0	$ 392.6
Equity interests acquired					18.10%
Equity in losses of unconsolidated affiliates, net of tax	$ (26.0)	$ (12.7)	(20.4)	(26.0)
Gain on sale of equity investments	5.0		5.0
Proceeds from sale of equity method investment			8.4	0.0
Receivable from sale of equity investment, noncurrent	1.8		1.8
DNB Investment
Schedule of Equity Method Investments [Line Items]
Equity in losses of unconsolidated affiliates, net of tax	(31.0)	(12.7)	(25.4)	(26.0)
Tax benefit	$ (10.5)	$ (4.4)	$ (8.6)	$ (9.1)

Income (Loss) From Equity Method Investments, Tax Expense (Benefit)

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Receivable from Sale of Equity Investment, Noncurrent

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

+ References

No definition available.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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