Balance Sheet Components (Property, Plant and Equipment) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,892.4	$ 2,728.2
Accumulated depreciation	1,136.6	1,062.7
Property, plant and equipment, net	1,755.8	1,665.5
Land and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	82.6	75.1
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	811.1	747.0
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,715.5	1,698.4
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 283.2	$ 207.7