Property, Plant and Equipment, net - Narratives (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 191.1	$ 212.0	$ 200.0
Assets under construction	$ 29.3	71.1
Capitalized interest related to construction		$ 0.3	$ 0.2