Significant Equity Method Investees (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Significant Equity Method Investees
Equity in earnings of affiliates	$ 29.9	$ 39.5	$ 44.4	$ 66.3
PTL
Significant Equity Method Investees
Ownership percentage of equity method investment	28.90%		28.90%
Equity in earnings of affiliates			$ 43.5	63.8
Condensed income statement information
Revenues			4,227.0	4,390.0
Gross profit			858.0	896.0
Income from continuing operations			151.0	221.0
Net income			$ 151.0	$ 221.0

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

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The amount of gross profit (loss) reported by an equity method investment of the entity.

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Amount of income (loss) from continuing operations reported by an equity method investee.

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The amount of net income (loss) reported by an equity method investment of the entity.

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Amount of revenue from sale of product and rendering of service reported by equity method investee.

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

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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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