Consolidated Statements of Operations (unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Provision for income taxes related to gain on sale of discontinued operations	$ 0	$ 0	$ 0	$ 5.4
Provision (benefit) for income taxes related to income (loss) from discontinued operations	$ 0.2	$ 0.1	$ 0	$ (0.7)