Property, Plant and Equipment (Schedule of Major Classes of Property, Plant and Equipment) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,004.2	$ 2,842.3
Accumulated depreciation	(1,527.2)	(1,373.9)
Total	1,477.0	1,468.4
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	62.9	64.2
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	674.8	654.8
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,647.8	1,612.0
Software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 618.7	$ 511.3