Property, Plant and Equipment, Net (Summary of Property, Plant and Equipment, Net) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment, Net
Land	$ 337.9	$ 96.7
Buildings and leasehold improvements	1,915.4	606.4
Machinery, equipment and other	2,547.2	827.4
Assets under construction	2,632.5	93.7
Total property, plant and equipment at cost	7,433.0	1,624.2
Less: Accumulated depreciation	(963.4)	(796.1)
Property, plant and equipment, net	$ 6,469.6	$ 828.1