Significant Equity Method Investees (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Significant Equity Method Investees
Equity in earnings of affiliates	$ 14.5	$ 26.8
PTL
Significant Equity Method Investees
Equity in earnings of affiliates	13.6	25.8
Condensed income statement information
Revenues	2,194.0	2,135.0
Gross profit	405.0	420.0
Income from continuing operations	47.0	89.0
Net income	$ 47.0	$ 89.0

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

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