Property, Plant and Equipment alt (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant And Equipment [Abstract]
Impairment of long lived assets	$ 101.0
Leasehold Improvements, Gross	82.5	$ 84.9
Depreciation	$ 486.9	$ 584.1	$ 620.6