Property, Plant, and Equipment (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	$ 6,120.0	$ 6,010.3
Less accumulated depreciation	(3,247.5)	(3,114.6)
Property, plant, and equipment, net	2,872.5	2,895.7
Land and Land Improvements
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	156.3	149.7
Buildings
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	725.7	717.1
Machinery and Equipment
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	5,017.9	4,951.4
Construction in Progress
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	152.6	125.4
Other
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	$ 67.5	$ 66.7