Consolidated Statement Of Operations Parenthetical - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating expenses
Selling, general and administrative, charges from affiliates	$ 22.0	$ 21.5	$ 65.7	$ 65.6