Significant Equity Method Investees (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Equity Method Investment
Equity in earnings of affiliates	$ 43.3	$ 41.7	$ 109.6	$ 95.0
PTL
Equity Method Investment
Ownership percentage of equity method investment	28.90%		28.90%
Equity in earnings of affiliates			$ 106.0	91.7
Condensed income statement information
Revenues			6,701.0	6,158.0
Gross profit			1,397.0	1,272.0
Income from continuing operations			367.0	317.0
Net income			$ 367.0	$ 317.0

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

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

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