Property, Plant and Equipment, Net (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Tangible Asset Impairment Charges	$ 30.9	$ 3.4	$ 9.3
Property, Plant and Equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciation	$ 52.3	$ 52.5	$ 57.6