Fair Value (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Impairment of goodwill	$ 6.9	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 6.9	$ 0.0
Property, plant and equipment, net	766.9				711.3	766.9
Gain (loss) on extinguishment of debt					$ 1.1	(5.5)	$ 0.0
VENEZUELA
Impairment of Venezuela long-lived assets				90.3
Property, plant and equipment, net				$ 15.7
EGYPT
Impairment of goodwill	$ 6.9					$ 6.9
Number of years used in calculating the estimated fair value of reporting units						5 years