Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 4,955.8			$ 4,973.2
Less: accumulated depreciation	(3,137.2)			(3,117.7)
Property, plant and equipment— net	1,818.6			1,855.5
Tangible asset impairment charges	6.2		1.1
Depreciation expense	62.2		64.9
Net book value of assets held for sale	3.2			1.8
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	141.4			143.4
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	954.7			959.6
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,572.8			3,600.7
Other [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	231.9	[1]		229.4	[1]
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 55.0			$ 40.1

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