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Acquisitions and Divestitures (Divestiture of India Equity Method Investment) (Details) - USD ($) $ in Millions		12 Months Ended
	Jun. 27, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Investment [Line Items]
Sale of equity method investment		$ 0.0	$ 0.0	$ 4.0
Recognition of accumulated currency translation loss upon sale of equity method investment in VISA SunCoke		0.0	0.0	(9.0)
Transaction costs		0.0	5.2	0.4
Loss from equity method investment		$ 0.0	$ 0.0	5.4
VISA SunCoke
Investment [Line Items]
Ownership percentage (as a percent)	49.00%
VISA SunCoke
Investment [Line Items]
Sale of equity method investment	$ 4.0
Recognition of accumulated currency translation loss upon sale of equity method investment in VISA SunCoke	$ (9.0)
Transaction costs				0.4
Loss from equity method investment				$ 5.4

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- Definition

Equity Method Investment, Transaction Costs

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

+ References

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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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