Property, Plant and Equipment (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 5,006.1		$ 5,006.1		$ 4,973.2
Less: accumulated depreciation		(3,203.2)		(3,203.2)		(3,117.7)
Property, plant and equipment— net		1,802.9		1,802.9		1,855.5
Tangible asset impairment charges		1.1	$ 2.0	7.3	$ 3.1
Depreciation expense		62.9	$ 66.1	125.1	$ 131.0
Net book value of assets held for sale		7.3		7.3		1.8
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		138.9		138.9		143.4
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		953.5		953.5		959.6
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		3,629.9		3,629.9		3,600.7
Other [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	[1]	237.3		237.3		229.4
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 46.5		$ 46.5		$ 40.1

[1] Other consists of computer equipment, vehicles, furniture and fixtures, leasehold improvements and communication related equipment.