Property, Plant, and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	$ 5,952.4		$ 5,952.4		$ 5,714.8
Less accumulated depreciation	(3,073.7)		(3,073.7)		(2,882.7)
Property, plant, and equipment, net	2,878.7		2,878.7		2,832.1
Depreciation [Abstract]
Depreciation expense	79.9	$ 79.6	240.5	$ 243.5
Incremental depreciation expense			0.8	$ 9.0
Purchases of property, plant, and equipment included in accounts payable			20.1		15.0
Land and Land Improvements
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	148.6		148.6		146.4
Buildings
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	687.8		687.8		640.9
Machinery and Equipment
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	4,902.2		4,902.2		4,747.1
Construction in Progress
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	151.2		151.2		119.1
Other
Property, Plant, and Equipment [Line Items]
Property, plant, and equipment, at cost	$ 62.6		$ 62.6		$ 61.3