Investments in Affiliates - Summary of Financial Information for Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement
Revenues	$ 52.0	$ 40.8
Operating costs and expenses	39.9	37.3
Gross Profit (Loss)	12.1	3.5
Income (Loss) from Continuing Operations	7.6	0.9
Net Income (Loss)	$ 7.6	$ 0.6