Property, Plant, and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	$ 6,065.0		$ 6,010.3
Less accumulated depreciation	(3,177.8)		(3,114.6)
Property, plant, and equipment, net	2,887.2		2,895.7
Depreciation [Abstract]
Depreciation expense	82.4	$ 80.7
Incremental depreciation expense	0.1
Purchases of property, plant, and equipment included in accounts payable	30.4		12.8
Land and Land Improvements
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	154.1		149.7
Buildings
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	723.7		717.1
Machinery and Equipment
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	4,987.7		4,951.4
Construction in Progress
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	133.3		125.4
Other
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	$ 66.2		$ 66.7