Fair Value Fair Value (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Impairment of Venezuela long-lived assets	$ 90.0
Property, plant and equipment at carrying value		$ 948.3	$ 1,231.0
VENEZUELA
Property, plant and equipment at carrying value	$ 15.7