Selected Quarterly Financial Information (unaudited) (Textuals) (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Goodwill impairment	$ 5.5			$ 5.5	$ 0.0	$ 0.0
Asset impairment	$ 44.5			44.5	0.0	0.0
Restructuring charges		$ 0.6	$ 1.0	$ 3.2	$ 1.9	$ 5.0