Investments In and Advances to Nonconsolidated Affiliates - Table 1 (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Net operating revenues	$ 11.2	$ 8.2
Operating expenses	(3.2)	(3.9)
Income from continuing operations, net of tax	5.0	3.9
Net income	$ 5.0	$ 3.9